Finding the Fourth Proportional to 121,061,060.87, 181,590,394.61 and 55,463,591.71

Step by Step Solution

1. Step 1: Write the proportion equation
   121,061,060.87 : 181,590,394.61 = 55,463,591.71 : x
2. Step 2: Convert to fraction form
   121,061,060.87/181,590,394.61 = 55,463,591.71/x
3. Step 3: Cross multiply
   121,061,060.87x = 181,590,394.61 × 55,463,591.71
4. Step 4: Simplify right side
   121,061,060.87x = 10,071,655,503,921,554
5. Step 5: Solve for x
   x = 10,071,655,503,921,554/121,061,060.87
6. Step 6: Final answer
   x = 83,194,839.29