Finding the Fourth Proportional to 102,898.98, 153,724.95 and 65,156.83

Step by Step Solution

1. Step 1: Write the proportion equation
   102,898.98 : 153,724.95 = 65,156.83 : x
2. Step 2: Convert to fraction form
   102,898.98/153,724.95 = 65,156.83/x
3. Step 3: Cross multiply
   102,898.98x = 153,724.95 × 65,156.83
4. Step 4: Simplify right side
   102,898.98x = 10,016,230,049.60
5. Step 5: Solve for x
   x = 10,016,230,049.60/102,898.98
6. Step 6: Final answer
   x = 97,340.42