Finding the Fourth Proportional to 88,521.15, 122,314.59 and 70,762.71

Step by Step Solution

1. Step 1: Write the proportion equation
   88,521.15 : 122,314.59 = 70,762.71 : x
2. Step 2: Convert to fraction form
   88,521.15/122,314.59 = 70,762.71/x
3. Step 3: Cross multiply
   88,521.15x = 122,314.59 × 70,762.71
4. Step 4: Simplify right side
   88,521.15x = 8,655,311,860.94
5. Step 5: Solve for x
   x = 8,655,311,860.94/88,521.15
6. Step 6: Final answer
   x = 97,776.77