Finding the Fourth Proportional to 6,381.38, 8,806.61 and 3,548.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,381.38 : 8,806.61 = 3,548.72 : x
2. Step 2: Convert to fraction form
   6,381.38/8,806.61 = 3,548.72/x
3. Step 3: Cross multiply
   6,381.38x = 8,806.61 × 3,548.72
4. Step 4: Simplify right side
   6,381.38x = 31,252,223.93
5. Step 5: Solve for x
   x = 31,252,223.93/6,381.38
6. Step 6: Final answer
   x = 4,897.41