Finding the Fourth Proportional to 94,061.16, 140,907.12 and 54,535.20

Step by Step Solution

1. Step 1: Write the proportion equation
   94,061.16 : 140,907.12 = 54,535.20 : x
2. Step 2: Convert to fraction form
   94,061.16/140,907.12 = 54,535.20/x
3. Step 3: Cross multiply
   94,061.16x = 140,907.12 × 54,535.20
4. Step 4: Simplify right side
   94,061.16x = 7,684,397,970.62
5. Step 5: Solve for x
   x = 7,684,397,970.62/94,061.16
6. Step 6: Final answer
   x = 81,695.76