Finding the Fourth Proportional to 9,623.56, 13,280.82 and 5,432.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.56 : 13,280.82 = 5,432.20 : x
2. Step 2: Convert to fraction form
   9,623.56/13,280.82 = 5,432.20/x
3. Step 3: Cross multiply
   9,623.56x = 13,280.82 × 5,432.20
4. Step 4: Simplify right side
   9,623.56x = 72,144,070.40
5. Step 5: Solve for x
   x = 72,144,070.40/9,623.56
6. Step 6: Final answer
   x = 7,496.61