Finding the Fourth Proportional to 10,038.86, 15,057.57 and 3,113.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,038.86 : 15,057.57 = 3,113.18 : x
2. Step 2: Convert to fraction form
   10,038.86/15,057.57 = 3,113.18/x
3. Step 3: Cross multiply
   10,038.86x = 15,057.57 × 3,113.18
4. Step 4: Simplify right side
   10,038.86x = 46,876,925.77
5. Step 5: Solve for x
   x = 46,876,925.77/10,038.86
6. Step 6: Final answer
   x = 4,669.55