Finding the Fourth Proportional to 17,429.68, 26,136.52 and 5,581.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,429.68 : 26,136.52 = 5,581.15 : x
2. Step 2: Convert to fraction form
   17,429.68/26,136.52 = 5,581.15/x
3. Step 3: Cross multiply
   17,429.68x = 26,136.52 × 5,581.15
4. Step 4: Simplify right side
   17,429.68x = 145,871,838.60
5. Step 5: Solve for x
   x = 145,871,838.60/17,429.68
6. Step 6: Final answer
   x = 8,369.16