Finding the Fourth Proportional to 14,624.96, 21,949.72 and 13,702.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,624.96 : 21,949.72 = 13,702.31 : x
2. Step 2: Convert to fraction form
   14,624.96/21,949.72 = 13,702.31/x
3. Step 3: Cross multiply
   14,624.96x = 21,949.72 × 13,702.31
4. Step 4: Simplify right side
   14,624.96x = 300,761,987.43
5. Step 5: Solve for x
   x = 300,761,987.43/14,624.96
6. Step 6: Final answer
   x = 20,564.99