Finding the Fourth Proportional to 10,118.77, 15,182.53 and 5,433.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.77 : 15,182.53 = 5,433.31 : x
2. Step 2: Convert to fraction form
   10,118.77/15,182.53 = 5,433.31/x
3. Step 3: Cross multiply
   10,118.77x = 15,182.53 × 5,433.31
4. Step 4: Simplify right side
   10,118.77x = 82,491,392.07
5. Step 5: Solve for x
   x = 82,491,392.07/10,118.77
6. Step 6: Final answer
   x = 8,152.31