Finding the Fourth Proportional to 10,407.29, 15,610.91 and 3,743.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,407.29 : 15,610.91 = 3,743.78 : x
2. Step 2: Convert to fraction form
   10,407.29/15,610.91 = 3,743.78/x
3. Step 3: Cross multiply
   10,407.29x = 15,610.91 × 3,743.78
4. Step 4: Simplify right side
   10,407.29x = 58,443,803.28
5. Step 5: Solve for x
   x = 58,443,803.28/10,407.29
6. Step 6: Final answer
   x = 5,615.66