Finding the Fourth Proportional to 60,766.25, 91,018.15 and 59,279.09

Step by Step Solution

1. Step 1: Write the proportion equation
   60,766.25 : 91,018.15 = 59,279.09 : x
2. Step 2: Convert to fraction form
   60,766.25/91,018.15 = 59,279.09/x
3. Step 3: Cross multiply
   60,766.25x = 91,018.15 × 59,279.09
4. Step 4: Simplify right side
   60,766.25x = 5,395,472,502.20
5. Step 5: Solve for x
   x = 5,395,472,502.20/60,766.25
6. Step 6: Final answer
   x = 88,790.62