Finding the Fourth Proportional to 6,385.32, 9,577.56 and 3,920.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,385.32 : 9,577.56 = 3,920.52 : x
2. Step 2: Convert to fraction form
   6,385.32/9,577.56 = 3,920.52/x
3. Step 3: Cross multiply
   6,385.32x = 9,577.56 × 3,920.52
4. Step 4: Simplify right side
   6,385.32x = 37,549,015.53
5. Step 5: Solve for x
   x = 37,549,015.53/6,385.32
6. Step 6: Final answer
   x = 5,880.52