Finding the Fourth Proportional to 9,624.50, 13,281.94 and 5,432.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,624.50 : 13,281.94 = 5,432.78 : x
2. Step 2: Convert to fraction form
   9,624.50/13,281.94 = 5,432.78/x
3. Step 3: Cross multiply
   9,624.50x = 13,281.94 × 5,432.78
4. Step 4: Simplify right side
   9,624.50x = 72,157,857.99
5. Step 5: Solve for x
   x = 72,157,857.99/9,624.50
6. Step 6: Final answer
   x = 7,497.31