Finding the Fourth Proportional to 98,665.46, 136,155.57 and 53,952.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,665.46 : 136,155.57 = 53,952.50 : x
2. Step 2: Convert to fraction form
   98,665.46/136,155.57 = 53,952.50/x
3. Step 3: Cross multiply
   98,665.46x = 136,155.57 × 53,952.50
4. Step 4: Simplify right side
   98,665.46x = 7,345,933,390.43
5. Step 5: Solve for x
   x = 7,345,933,390.43/98,665.46
6. Step 6: Final answer
   x = 74,452.94