Finding the Fourth Proportional to 6,551.47, 9,038.41 and 3,897.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,551.47 : 9,038.41 = 3,897.91 : x
2. Step 2: Convert to fraction form
   6,551.47/9,038.41 = 3,897.91/x
3. Step 3: Cross multiply
   6,551.47x = 9,038.41 × 3,897.91
4. Step 4: Simplify right side
   6,551.47x = 35,230,908.72
5. Step 5: Solve for x
   x = 35,230,908.72/6,551.47
6. Step 6: Final answer
   x = 5,377.56