Finding the Fourth Proportional to 10,397.13, 15,586.38 and 3,818.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,397.13 : 15,586.38 = 3,818.72 : x
2. Step 2: Convert to fraction form
   10,397.13/15,586.38 = 3,818.72/x
3. Step 3: Cross multiply
   10,397.13x = 15,586.38 × 3,818.72
4. Step 4: Simplify right side
   10,397.13x = 59,519,943.10
5. Step 5: Solve for x
   x = 59,519,943.10/10,397.13
6. Step 6: Final answer
   x = 5,724.65