Finding the Fourth Proportional to 60,767.25, 91,019.65 and 59,280.09

Step by Step Solution

1. Step 1: Write the proportion equation
   60,767.25 : 91,019.65 = 59,280.09 : x
2. Step 2: Convert to fraction form
   60,767.25/91,019.65 = 59,280.09/x
3. Step 3: Cross multiply
   60,767.25x = 91,019.65 × 59,280.09
4. Step 4: Simplify right side
   60,767.25x = 5,395,652,292.27
5. Step 5: Solve for x
   x = 5,395,652,292.27/60,767.25
6. Step 6: Final answer
   x = 88,792.12