Finding the Fourth Proportional to 8,373.67, 12,543.76 and 5,040.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,373.67 : 12,543.76 = 5,040.09 : x
2. Step 2: Convert to fraction form
   8,373.67/12,543.76 = 5,040.09/x
3. Step 3: Cross multiply
   8,373.67x = 12,543.76 × 5,040.09
4. Step 4: Simplify right side
   8,373.67x = 63,221,679.34
5. Step 5: Solve for x
   x = 63,221,679.34/8,373.67
6. Step 6: Final answer
   x = 7,550.06