Finding the Fourth Proportional to 6,298.92, 8,691.59 and 3,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,298.92 : 8,691.59 = 3,780.50 : x
2. Step 2: Convert to fraction form
   6,298.92/8,691.59 = 3,780.50/x
3. Step 3: Cross multiply
   6,298.92x = 8,691.59 × 3,780.50
4. Step 4: Simplify right side
   6,298.92x = 32,858,521.99
5. Step 5: Solve for x
   x = 32,858,521.99/6,298.92
6. Step 6: Final answer
   x = 5,216.53