Finding the Fourth Proportional to 10,807.80, 14,917.58 and 7,041.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807.80 : 14,917.58 = 7,041.30 : x
2. Step 2: Convert to fraction form
   10,807.80/14,917.58 = 7,041.30/x
3. Step 3: Cross multiply
   10,807.80x = 14,917.58 × 7,041.30
4. Step 4: Simplify right side
   10,807.80x = 105,039,156.05
5. Step 5: Solve for x
   x = 105,039,156.05/10,807.80
6. Step 6: Final answer
   x = 9,718.83