Finding the Fourth Proportional to 114,906,643.20, 158,558,072.79 and 64,661,156.82

Step by Step Solution

1. Step 1: Write the proportion equation
   114,906,643.20 : 158,558,072.79 = 64,661,156.82 : x
2. Step 2: Convert to fraction form
   114,906,643.20/158,558,072.79 = 64,661,156.82/x
3. Step 3: Cross multiply
   114,906,643.20x = 158,558,072.79 × 64,661,156.82
4. Step 4: Simplify right side
   114,906,643.20x = 10,252,548,409,751,164
5. Step 5: Solve for x
   x = 10,252,548,409,751,164/114,906,643.20
6. Step 6: Final answer
   x = 89,225,027.59