Finding the Fourth Proportional to 10,520.43, 14,517.18 and 5,804.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,520.43 : 14,517.18 = 5,804.40 : x
2. Step 2: Convert to fraction form
   10,520.43/14,517.18 = 5,804.40/x
3. Step 3: Cross multiply
   10,520.43x = 14,517.18 × 5,804.40
4. Step 4: Simplify right side
   10,520.43x = 84,263,519.59
5. Step 5: Solve for x
   x = 84,263,519.59/10,520.43
6. Step 6: Final answer
   x = 8,009.51