Finding the Fourth Proportional to 14,888.42, 20,542.17 and 8,915.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,888.42 : 20,542.17 = 8,915.86 : x
2. Step 2: Convert to fraction form
   14,888.42/20,542.17 = 8,915.86/x
3. Step 3: Cross multiply
   14,888.42x = 20,542.17 × 8,915.86
4. Step 4: Simplify right side
   14,888.42x = 183,151,111.82
5. Step 5: Solve for x
   x = 183,151,111.82/14,888.42
6. Step 6: Final answer
   x = 12,301.58