Finding the Fourth Proportional to 6,477.99, 8,939.40 and 3,645.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,477.99 : 8,939.40 = 3,645.42 : x
2. Step 2: Convert to fraction form
   6,477.99/8,939.40 = 3,645.42/x
3. Step 3: Cross multiply
   6,477.99x = 8,939.40 × 3,645.42
4. Step 4: Simplify right side
   6,477.99x = 32,587,867.55
5. Step 5: Solve for x
   x = 32,587,867.55/6,477.99
6. Step 6: Final answer
   x = 5,030.55