Finding the Fourth Proportional to 10,100.43, 13,937.67 and 7,449.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.43 : 13,937.67 = 7,449.30 : x
2. Step 2: Convert to fraction form
   10,100.43/13,937.67 = 7,449.30/x
3. Step 3: Cross multiply
   10,100.43x = 13,937.67 × 7,449.30
4. Step 4: Simplify right side
   10,100.43x = 103,825,885.13
5. Step 5: Solve for x
   x = 103,825,885.13/10,100.43
6. Step 6: Final answer
   x = 10,279.35