Finding the Fourth Proportional to 10,321.25, 15,472.59 and 3,742.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,321.25 : 15,472.59 = 3,742.82 : x
2. Step 2: Convert to fraction form
   10,321.25/15,472.59 = 3,742.82/x
3. Step 3: Cross multiply
   10,321.25x = 15,472.59 × 3,742.82
4. Step 4: Simplify right side
   10,321.25x = 57,911,119.30
5. Step 5: Solve for x
   x = 57,911,119.30/10,321.25
6. Step 6: Final answer
   x = 5,610.86