Finding the Fourth Proportional to 71,565.69, 98,598.18 and 55,377.33

Step by Step Solution

1. Step 1: Write the proportion equation
   71,565.69 : 98,598.18 = 55,377.33 : x
2. Step 2: Convert to fraction form
   71,565.69/98,598.18 = 55,377.33/x
3. Step 3: Cross multiply
   71,565.69x = 98,598.18 × 55,377.33
4. Step 4: Simplify right side
   71,565.69x = 5,460,103,951.26
5. Step 5: Solve for x
   x = 5,460,103,951.26/71,565.69
6. Step 6: Final answer
   x = 76,294.99