Finding the Fourth Proportional to 145,181,392,338.79, 217,647,875,393.72 and 55,708,593,783.48

Step by Step Solution

1. Step 1: Write the proportion equation
   145,181,392,338.79 : 217,647,875,393.72 = 55,708,593,783.48 : x
2. Step 2: Convert to fraction form
   145,181,392,338.79/217,647,875,393.72 = 55,708,593,783.48/x
3. Step 3: Cross multiply
   145,181,392,338.79x = 217,647,875,393.72 × 55,708,593,783.48
4. Step 4: Simplify right side
   145,181,392,338.79x = 12,124,857,078,146,219,900,928
5. Step 5: Solve for x
   x = 12,124,857,078,146,219,900,928/145,181,392,338.79
6. Step 6: Final answer
   x = 83,515,227,969.79