Finding the Fourth Proportional to 120,662,688.37, 181,049,696.52 and 55,103,923.63

Step by Step Solution

1. Step 1: Write the proportion equation
   120,662,688.37 : 181,049,696.52 = 55,103,923.63 : x
2. Step 2: Convert to fraction form
   120,662,688.37/181,049,696.52 = 55,103,923.63/x
3. Step 3: Cross multiply
   120,662,688.37x = 181,049,696.52 × 55,103,923.63
4. Step 4: Simplify right side
   120,662,688.37x = 9,976,548,650,272,758
5. Step 5: Solve for x
   x = 9,976,548,650,272,758/120,662,688.37
6. Step 6: Final answer
   x = 82,681,305.92