Finding the Fourth Proportional to 13,082.32, 19,612.42 and 5,681.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,082.32 : 19,612.42 = 5,681.18 : x
2. Step 2: Convert to fraction form
   13,082.32/19,612.42 = 5,681.18/x
3. Step 3: Cross multiply
   13,082.32x = 19,612.42 × 5,681.18
4. Step 4: Simplify right side
   13,082.32x = 111,421,688.26
5. Step 5: Solve for x
   x = 111,421,688.26/13,082.32
6. Step 6: Final answer
   x = 8,516.97