Finding the Fourth Proportional to 9,789.28, 14,680.15 and 3,547.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.28 : 14,680.15 = 3,547.44 : x
2. Step 2: Convert to fraction form
   9,789.28/14,680.15 = 3,547.44/x
3. Step 3: Cross multiply
   9,789.28x = 14,680.15 × 3,547.44
4. Step 4: Simplify right side
   9,789.28x = 52,076,951.32
5. Step 5: Solve for x
   x = 52,076,951.32/9,789.28
6. Step 6: Final answer
   x = 5,319.79