Finding the Fourth Proportional to 9,594.55, 13,238.17 and 5,402.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,594.55 : 13,238.17 = 5,402.80 : x
2. Step 2: Convert to fraction form
   9,594.55/13,238.17 = 5,402.80/x
3. Step 3: Cross multiply
   9,594.55x = 13,238.17 × 5,402.80
4. Step 4: Simplify right side
   9,594.55x = 71,523,184.88
5. Step 5: Solve for x
   x = 71,523,184.88/9,594.55
6. Step 6: Final answer
   x = 7,454.56