Finding the Fourth Proportional to 9,040.69, 12,476.13 and 5,061.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040.69 : 12,476.13 = 5,061.87 : x
2. Step 2: Convert to fraction form
   9,040.69/12,476.13 = 5,061.87/x
3. Step 3: Cross multiply
   9,040.69x = 12,476.13 × 5,061.87
4. Step 4: Simplify right side
   9,040.69x = 63,152,548.16
5. Step 5: Solve for x
   x = 63,152,548.16/9,040.69
6. Step 6: Final answer
   x = 6,985.37