Finding the Fourth Proportional to 5,470.47, 8,187.35 and 3,963.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470.47 : 8,187.35 = 3,963.15 : x
2. Step 2: Convert to fraction form
   5,470.47/8,187.35 = 3,963.15/x
3. Step 3: Cross multiply
   5,470.47x = 8,187.35 × 3,963.15
4. Step 4: Simplify right side
   5,470.47x = 32,447,676.34
5. Step 5: Solve for x
   x = 32,447,676.34/5,470.47
6. Step 6: Final answer
   x = 5,931.42