Finding the Fourth Proportional to 6,505.47, 8,977.57 and 3,521.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,505.47 : 8,977.57 = 3,521.34 : x
2. Step 2: Convert to fraction form
   6,505.47/8,977.57 = 3,521.34/x
3. Step 3: Cross multiply
   6,505.47x = 8,977.57 × 3,521.34
4. Step 4: Simplify right side
   6,505.47x = 31,613,076.34
5. Step 5: Solve for x
   x = 31,613,076.34/6,505.47
6. Step 6: Final answer
   x = 4,859.46