Finding the Fourth Proportional to 98,470.09, 147,753.33 and 61,020.15

Step by Step Solution

1. Step 1: Write the proportion equation
   98,470.09 : 147,753.33 = 61,020.15 : x
2. Step 2: Convert to fraction form
   98,470.09/147,753.33 = 61,020.15/x
3. Step 3: Cross multiply
   98,470.09x = 147,753.33 × 61,020.15
4. Step 4: Simplify right side
   98,470.09x = 9,015,930,359.60
5. Step 5: Solve for x
   x = 9,015,930,359.60/98,470.09
6. Step 6: Final answer
   x = 91,560.09