Finding the Fourth Proportional to 10,288.18, 15,426.94 and 5,023.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,288.18 : 15,426.94 = 5,023.43 : x
2. Step 2: Convert to fraction form
   10,288.18/15,426.94 = 5,023.43/x
3. Step 3: Cross multiply
   10,288.18x = 15,426.94 × 5,023.43
4. Step 4: Simplify right side
   10,288.18x = 77,496,153.20
5. Step 5: Solve for x
   x = 77,496,153.20/10,288.18
6. Step 6: Final answer
   x = 7,532.54