Finding the Fourth Proportional to 6,233.30, 8,591.86 and 5,423.68

Step by Step Solution

1. Step 1: Write the proportion equation
   6,233.30 : 8,591.86 = 5,423.68 : x
2. Step 2: Convert to fraction form
   6,233.30/8,591.86 = 5,423.68/x
3. Step 3: Cross multiply
   6,233.30x = 8,591.86 × 5,423.68
4. Step 4: Simplify right side
   6,233.30x = 46,599,496.43
5. Step 5: Solve for x
   x = 46,599,496.43/6,233.30
6. Step 6: Final answer
   x = 7,475.90