Finding the Fourth Proportional to 14,870.73, 20,522.18 and 8,156.64

Step by Step Solution

1. Step 1: Write the proportion equation
   14,870.73 : 20,522.18 = 8,156.64 : x
2. Step 2: Convert to fraction form
   14,870.73/20,522.18 = 8,156.64/x
3. Step 3: Cross multiply
   14,870.73x = 20,522.18 × 8,156.64
4. Step 4: Simplify right side
   14,870.73x = 167,391,890.88
5. Step 5: Solve for x
   x = 167,391,890.88/14,870.73
6. Step 6: Final answer
   x = 11,256.47