Finding the Fourth Proportional to 72,287.13, 99,766.74 and 41,654.28

Step by Step Solution

1. Step 1: Write the proportion equation
   72,287.13 : 99,766.74 = 41,654.28 : x
2. Step 2: Convert to fraction form
   72,287.13/99,766.74 = 41,654.28/x
3. Step 3: Cross multiply
   72,287.13x = 99,766.74 × 41,654.28
4. Step 4: Simplify right side
   72,287.13x = 4,155,711,722.65
5. Step 5: Solve for x
   x = 4,155,711,722.65/72,287.13
6. Step 6: Final answer
   x = 57,488.96