Finding the Fourth Proportional to 6,315.90, 8,715.52 and 3,483.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,315.90 : 8,715.52 = 3,483.10 : x
2. Step 2: Convert to fraction form
   6,315.90/8,715.52 = 3,483.10/x
3. Step 3: Cross multiply
   6,315.90x = 8,715.52 × 3,483.10
4. Step 4: Simplify right side
   6,315.90x = 30,357,027.71
5. Step 5: Solve for x
   x = 30,357,027.71/6,315.90
6. Step 6: Final answer
   x = 4,806.45