Finding the Fourth Proportional to 2,615.16, 3,612.78 and 2,059.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.16 : 3,612.78 = 2,059.32 : x
2. Step 2: Convert to fraction form
   2,615.16/3,612.78 = 2,059.32/x
3. Step 3: Cross multiply
   2,615.16x = 3,612.78 × 2,059.32
4. Step 4: Simplify right side
   2,615.16x = 7,439,870.11
5. Step 5: Solve for x
   x = 7,439,870.11/2,615.16
6. Step 6: Final answer
   x = 2,844.90