Finding the Fourth Proportional to 6,883.55, 9,499.52 and 3,899.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,883.55 : 9,499.52 = 3,899.32 : x
2. Step 2: Convert to fraction form
   6,883.55/9,499.52 = 3,899.32/x
3. Step 3: Cross multiply
   6,883.55x = 9,499.52 × 3,899.32
4. Step 4: Simplify right side
   6,883.55x = 37,041,601.33
5. Step 5: Solve for x
   x = 37,041,601.33/6,883.55
6. Step 6: Final answer
   x = 5,381.18