Finding the Fourth Proportional to 148,662.24, 205,146.72 and 85,007.04

Step by Step Solution

1. Step 1: Write the proportion equation
   148,662.24 : 205,146.72 = 85,007.04 : x
2. Step 2: Convert to fraction form
   148,662.24/205,146.72 = 85,007.04/x
3. Step 3: Cross multiply
   148,662.24x = 205,146.72 × 85,007.04
4. Step 4: Simplify right side
   148,662.24x = 17,438,915,432.91
5. Step 5: Solve for x
   x = 17,438,915,432.91/148,662.24
6. Step 6: Final answer
   x = 117,305.61