Finding the Fourth Proportional to 116,061.71, 160,235.06 and 75,842.78

Step by Step Solution

1. Step 1: Write the proportion equation
   116,061.71 : 160,235.06 = 75,842.78 : x
2. Step 2: Convert to fraction form
   116,061.71/160,235.06 = 75,842.78/x
3. Step 3: Cross multiply
   116,061.71x = 160,235.06 × 75,842.78
4. Step 4: Simplify right side
   116,061.71x = 12,152,672,551.42
5. Step 5: Solve for x
   x = 12,152,672,551.42/116,061.71
6. Step 6: Final answer
   x = 104,708.71