Finding the Fourth Proportional to 9,058.30, 12,498.74 and 5,472.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058.30 : 12,498.74 = 5,472.54 : x
2. Step 2: Convert to fraction form
   9,058.30/12,498.74 = 5,472.54/x
3. Step 3: Cross multiply
   9,058.30x = 12,498.74 × 5,472.54
4. Step 4: Simplify right side
   9,058.30x = 68,399,854.60
5. Step 5: Solve for x
   x = 68,399,854.60/9,058.30
6. Step 6: Final answer
   x = 7,551.07