Finding the Fourth Proportional to 6,300.72, 8,699.38 and 4,310.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,300.72 : 8,699.38 = 4,310.54 : x
2. Step 2: Convert to fraction form
   6,300.72/8,699.38 = 4,310.54/x
3. Step 3: Cross multiply
   6,300.72x = 8,699.38 × 4,310.54
4. Step 4: Simplify right side
   6,300.72x = 37,499,025.47
5. Step 5: Solve for x
   x = 37,499,025.47/6,300.72
6. Step 6: Final answer
   x = 5,951.55