Finding the Fourth Proportional to 10,049.50, 15,074.28 and 3,124

Step by Step Solution

1. Step 1: Write the proportion equation
   10,049.50 : 15,074.28 = 3,124 : x
2. Step 2: Convert to fraction form
   10,049.50/15,074.28 = 3,124/x
3. Step 3: Cross multiply
   10,049.50x = 15,074.28 × 3,124
4. Step 4: Simplify right side
   10,049.50x = 47,092,050.72
5. Step 5: Solve for x
   x = 47,092,050.72/10,049.50
6. Step 6: Final answer
   x = 4,686.01