Finding the Fourth Proportional to 14,438.52, 19,925.30 and 8,470.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,438.52 : 19,925.30 = 8,470.29 : x
2. Step 2: Convert to fraction form
   14,438.52/19,925.30 = 8,470.29/x
3. Step 3: Cross multiply
   14,438.52x = 19,925.30 × 8,470.29
4. Step 4: Simplify right side
   14,438.52x = 168,773,069.34
5. Step 5: Solve for x
   x = 168,773,069.34/14,438.52
6. Step 6: Final answer
   x = 11,689.08