Finding the Fourth Proportional to 14,019.34, 21,042.92 and 7,445.58

Step by Step Solution

1. Step 1: Write the proportion equation
   14,019.34 : 21,042.92 = 7,445.58 : x
2. Step 2: Convert to fraction form
   14,019.34/21,042.92 = 7,445.58/x
3. Step 3: Cross multiply
   14,019.34x = 21,042.92 × 7,445.58
4. Step 4: Simplify right side
   14,019.34x = 156,676,744.29
5. Step 5: Solve for x
   x = 156,676,744.29/14,019.34
6. Step 6: Final answer
   x = 11,175.76