Finding the Fourth Proportional to 6,505.99, 8,978.31 and 3,634.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,505.99 : 8,978.31 = 3,634.72 : x
2. Step 2: Convert to fraction form
   6,505.99/8,978.31 = 3,634.72/x
3. Step 3: Cross multiply
   6,505.99x = 8,978.31 × 3,634.72
4. Step 4: Simplify right side
   6,505.99x = 32,633,620.48
5. Step 5: Solve for x
   x = 32,633,620.48/6,505.99
6. Step 6: Final answer
   x = 5,015.94