Finding the Fourth Proportional to 10,404.16, 15,608.28 and 3,385.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.16 : 15,608.28 = 3,385.96 : x
2. Step 2: Convert to fraction form
   10,404.16/15,608.28 = 3,385.96/x
3. Step 3: Cross multiply
   10,404.16x = 15,608.28 × 3,385.96
4. Step 4: Simplify right side
   10,404.16x = 52,849,011.75
5. Step 5: Solve for x
   x = 52,849,011.75/10,404.16
6. Step 6: Final answer
   x = 5,079.60