Finding the Fourth Proportional to 109,890.53, 151,663.17 and 62,153.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,890.53 : 151,663.17 = 62,153.31 : x
2. Step 2: Convert to fraction form
   109,890.53/151,663.17 = 62,153.31/x
3. Step 3: Cross multiply
   109,890.53x = 151,663.17 × 62,153.31
4. Step 4: Simplify right side
   109,890.53x = 9,426,368,020.59
5. Step 5: Solve for x
   x = 9,426,368,020.59/109,890.53
6. Step 6: Final answer
   x = 85,779.62