Finding the Fourth Proportional to 110,828.50, 152,947.10 and 65,545.30

Step by Step Solution

1. Step 1: Write the proportion equation
   110,828.50 : 152,947.10 = 65,545.30 : x
2. Step 2: Convert to fraction form
   110,828.50/152,947.10 = 65,545.30/x
3. Step 3: Cross multiply
   110,828.50x = 152,947.10 × 65,545.30
4. Step 4: Simplify right side
   110,828.50x = 10,024,962,461.17
5. Step 5: Solve for x
   x = 10,024,962,461.17/110,828.50
6. Step 6: Final answer
   x = 90,454.74