Finding the Fourth Proportional to 10,124.76, 15,166.56 and 5,182.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,124.76 : 15,166.56 = 5,182.12 : x
2. Step 2: Convert to fraction form
   10,124.76/15,166.56 = 5,182.12/x
3. Step 3: Cross multiply
   10,124.76x = 15,166.56 × 5,182.12
4. Step 4: Simplify right side
   10,124.76x = 78,594,933.91
5. Step 5: Solve for x
   x = 78,594,933.91/10,124.76
6. Step 6: Final answer
   x = 7,762.65