Finding the Fourth Proportional to 10,807.04, 14,916.54 and 7,040.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807.04 : 14,916.54 = 7,040.54 : x
2. Step 2: Convert to fraction form
   10,807.04/14,916.54 = 7,040.54/x
3. Step 3: Cross multiply
   10,807.04x = 14,916.54 × 7,040.54
4. Step 4: Simplify right side
   10,807.04x = 105,020,496.53
5. Step 5: Solve for x
   x = 105,020,496.53/10,807.04
6. Step 6: Final answer
   x = 9,717.79