Finding the Fourth Proportional to 6,391.59, 8,817.56 and 3,737.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,391.59 : 8,817.56 = 3,737.83 : x
2. Step 2: Convert to fraction form
   6,391.59/8,817.56 = 3,737.83/x
3. Step 3: Cross multiply
   6,391.59x = 8,817.56 × 3,737.83
4. Step 4: Simplify right side
   6,391.59x = 32,958,499.56
5. Step 5: Solve for x
   x = 32,958,499.56/6,391.59
6. Step 6: Final answer
   x = 5,156.54