Finding the Fourth Proportional to 9,517.62, 14,280.52 and 3,972.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,517.62 : 14,280.52 = 3,972.05 : x
2. Step 2: Convert to fraction form
   9,517.62/14,280.52 = 3,972.05/x
3. Step 3: Cross multiply
   9,517.62x = 14,280.52 × 3,972.05
4. Step 4: Simplify right side
   9,517.62x = 56,722,939.47
5. Step 5: Solve for x
   x = 56,722,939.47/9,517.62
6. Step 6: Final answer
   x = 5,959.78