Finding the Fourth Proportional to 7,085.16, 10,619.02 and 3,132.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085.16 : 10,619.02 = 3,132.15 : x
2. Step 2: Convert to fraction form
   7,085.16/10,619.02 = 3,132.15/x
3. Step 3: Cross multiply
   7,085.16x = 10,619.02 × 3,132.15
4. Step 4: Simplify right side
   7,085.16x = 33,260,363.49
5. Step 5: Solve for x
   x = 33,260,363.49/7,085.16
6. Step 6: Final answer
   x = 4,694.37