Finding the Fourth Proportional to 147,898.52, 204,141.77 and 87,490.18

Step by Step Solution

1. Step 1: Write the proportion equation
   147,898.52 : 204,141.77 = 87,490.18 : x
2. Step 2: Convert to fraction form
   147,898.52/204,141.77 = 87,490.18/x
3. Step 3: Cross multiply
   147,898.52x = 204,141.77 × 87,490.18
4. Step 4: Simplify right side
   147,898.52x = 17,860,399,200.34
5. Step 5: Solve for x
   x = 17,860,399,200.34/147,898.52
6. Step 6: Final answer
   x = 120,761.17