Finding the Fourth Proportional to 94,480.40, 141,681.72 and 74,807.12

Step by Step Solution

1. Step 1: Write the proportion equation
   94,480.40 : 141,681.72 = 74,807.12 : x
2. Step 2: Convert to fraction form
   94,480.40/141,681.72 = 74,807.12/x
3. Step 3: Cross multiply
   94,480.40x = 141,681.72 × 74,807.12
4. Step 4: Simplify right side
   94,480.40x = 10,598,801,429.85
5. Step 5: Solve for x
   x = 10,598,801,429.85/94,480.40
6. Step 6: Final answer
   x = 112,179.90