Finding the Fourth Proportional to 6,359.83, 8,780.82 and 3,973.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,359.83 : 8,780.82 = 3,973.43 : x
2. Step 2: Convert to fraction form
   6,359.83/8,780.82 = 3,973.43/x
3. Step 3: Cross multiply
   6,359.83x = 8,780.82 × 3,973.43
4. Step 4: Simplify right side
   6,359.83x = 34,889,973.61
5. Step 5: Solve for x
   x = 34,889,973.61/6,359.83
6. Step 6: Final answer
   x = 5,486.00