Finding the Fourth Proportional to 89,032.50, 122,860.18 and 48,738.55

Step by Step Solution

1. Step 1: Write the proportion equation
   89,032.50 : 122,860.18 = 48,738.55 : x
2. Step 2: Convert to fraction form
   89,032.50/122,860.18 = 48,738.55/x
3. Step 3: Cross multiply
   89,032.50x = 122,860.18 × 48,738.55
4. Step 4: Simplify right side
   89,032.50x = 5,988,026,167.95
5. Step 5: Solve for x
   x = 5,988,026,167.95/89,032.50
6. Step 6: Final answer
   x = 67,256.64