Finding the Fourth Proportional to 10,407.62, 15,613.07 and 3,385.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,407.62 : 15,613.07 = 3,385.99 : x
2. Step 2: Convert to fraction form
   10,407.62/15,613.07 = 3,385.99/x
3. Step 3: Cross multiply
   10,407.62x = 15,613.07 × 3,385.99
4. Step 4: Simplify right side
   10,407.62x = 52,865,603.89
5. Step 5: Solve for x
   x = 52,865,603.89/10,407.62
6. Step 6: Final answer
   x = 5,079.51