Finding the Fourth Proportional to 9,451.13, 13,042.56 and 5,472.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451.13 : 13,042.56 = 5,472.45 : x
2. Step 2: Convert to fraction form
   9,451.13/13,042.56 = 5,472.45/x
3. Step 3: Cross multiply
   9,451.13x = 13,042.56 × 5,472.45
4. Step 4: Simplify right side
   9,451.13x = 71,374,757.47
5. Step 5: Solve for x
   x = 71,374,757.47/9,451.13
6. Step 6: Final answer
   x = 7,551.98