Finding the Fourth Proportional to 103,689.52, 155,285.12 and 59,181.34

Step by Step Solution

1. Step 1: Write the proportion equation
   103,689.52 : 155,285.12 = 59,181.34 : x
2. Step 2: Convert to fraction form
   103,689.52/155,285.12 = 59,181.34/x
3. Step 3: Cross multiply
   103,689.52x = 155,285.12 × 59,181.34
4. Step 4: Simplify right side
   103,689.52x = 9,189,981,483.66
5. Step 5: Solve for x
   x = 9,189,981,483.66/103,689.52
6. Step 6: Final answer
   x = 88,629.80