Finding the Fourth Proportional to 113,789,792.76, 157,029,336.69 and 61,578,828.42

Step by Step Solution

1. Step 1: Write the proportion equation
   113,789,792.76 : 157,029,336.69 = 61,578,828.42 : x
2. Step 2: Convert to fraction form
   113,789,792.76/157,029,336.69 = 61,578,828.42/x
3. Step 3: Cross multiply
   113,789,792.76x = 157,029,336.69 × 61,578,828.42
4. Step 4: Simplify right side
   113,789,792.76x = 9,669,682,580,939,920
5. Step 5: Solve for x
   x = 9,669,682,580,939,920/113,789,792.76
6. Step 6: Final answer
   x = 84,978,470.80