Finding the Fourth Proportional to 9,355.50, 12,911.99 and 6,002.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,355.50 : 12,911.99 = 6,002.10 : x
2. Step 2: Convert to fraction form
   9,355.50/12,911.99 = 6,002.10/x
3. Step 3: Cross multiply
   9,355.50x = 12,911.99 × 6,002.10
4. Step 4: Simplify right side
   9,355.50x = 77,499,025.17
5. Step 5: Solve for x
   x = 77,499,025.17/9,355.50
6. Step 6: Final answer
   x = 8,283.79