Finding the Fourth Proportional to 88,686.20, 122,389.52 and 48,402.53

Step by Step Solution

1. Step 1: Write the proportion equation
   88,686.20 : 122,389.52 = 48,402.53 : x
2. Step 2: Convert to fraction form
   88,686.20/122,389.52 = 48,402.53/x
3. Step 3: Cross multiply
   88,686.20x = 122,389.52 × 48,402.53
4. Step 4: Simplify right side
   88,686.20x = 5,923,961,559.53
5. Step 5: Solve for x
   x = 5,923,961,559.53/88,686.20
6. Step 6: Final answer
   x = 66,796.88