Finding the Fourth Proportional to 60,765.50, 91,017.02 and 59,278.34

Step by Step Solution

1. Step 1: Write the proportion equation
   60,765.50 : 91,017.02 = 59,278.34 : x
2. Step 2: Convert to fraction form
   60,765.50/91,017.02 = 59,278.34/x
3. Step 3: Cross multiply
   60,765.50x = 91,017.02 × 59,278.34
4. Step 4: Simplify right side
   60,765.50x = 5,395,337,550.46
5. Step 5: Solve for x
   x = 5,395,337,550.46/60,765.50
6. Step 6: Final answer
   x = 88,789.49