Finding the Fourth Proportional to 60,767.50, 91,020.02 and 59,280.34

Step by Step Solution

1. Step 1: Write the proportion equation
   60,767.50 : 91,020.02 = 59,280.34 : x
2. Step 2: Convert to fraction form
   60,767.50/91,020.02 = 59,280.34/x
3. Step 3: Cross multiply
   60,767.50x = 91,020.02 × 59,280.34
4. Step 4: Simplify right side
   60,767.50x = 5,395,697,277.31
5. Step 5: Solve for x
   x = 5,395,697,277.31/60,767.50
6. Step 6: Final answer
   x = 88,792.49