Finding the Fourth Proportional to 110,356.38, 152,308.20 and 65,019.87

Step by Step Solution

1. Step 1: Write the proportion equation
   110,356.38 : 152,308.20 = 65,019.87 : x
2. Step 2: Convert to fraction form
   110,356.38/152,308.20 = 65,019.87/x
3. Step 3: Cross multiply
   110,356.38x = 152,308.20 × 65,019.87
4. Step 4: Simplify right side
   110,356.38x = 9,903,059,363.93
5. Step 5: Solve for x
   x = 9,903,059,363.93/110,356.38
6. Step 6: Final answer
   x = 89,737.08