Finding the Fourth Proportional to 9,937.43, 13,713.89 and 5,461.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,937.43 : 13,713.89 = 5,461.28 : x
2. Step 2: Convert to fraction form
   9,937.43/13,713.89 = 5,461.28/x
3. Step 3: Cross multiply
   9,937.43x = 13,713.89 × 5,461.28
4. Step 4: Simplify right side
   9,937.43x = 74,895,297.30
5. Step 5: Solve for x
   x = 74,895,297.30/9,937.43
6. Step 6: Final answer
   x = 7,536.69