Finding the Fourth Proportional to 10,048.76, 15,073.90 and 3,385.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,048.76 : 15,073.90 = 3,385.30 : x
2. Step 2: Convert to fraction form
   10,048.76/15,073.90 = 3,385.30/x
3. Step 3: Cross multiply
   10,048.76x = 15,073.90 × 3,385.30
4. Step 4: Simplify right side
   10,048.76x = 51,029,627.52
5. Step 5: Solve for x
   x = 51,029,627.52/10,048.76
6. Step 6: Final answer
   x = 5,078.20