Finding the Fourth Proportional to 17,490, 26,228.82 and 5,643.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,490 : 26,228.82 = 5,643.30 : x
2. Step 2: Convert to fraction form
   17,490/26,228.82 = 5,643.30/x
3. Step 3: Cross multiply
   17,490x = 26,228.82 × 5,643.30
4. Step 4: Simplify right side
   17,490x = 148,017,099.91
5. Step 5: Solve for x
   x = 148,017,099.91/17,490
6. Step 6: Final answer
   x = 8,462.96