Finding the Fourth Proportional to 9,623.63, 13,280.60 and 5,432.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.63 : 13,280.60 = 5,432.15 : x
2. Step 2: Convert to fraction form
   9,623.63/13,280.60 = 5,432.15/x
3. Step 3: Cross multiply
   9,623.63x = 13,280.60 × 5,432.15
4. Step 4: Simplify right side
   9,623.63x = 72,142,158.47
5. Step 5: Solve for x
   x = 72,142,158.47/9,623.63
6. Step 6: Final answer
   x = 7,496.36