Finding the Fourth Proportional to 2,610.16, 3,911.68 and 1,913.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.16 : 3,911.68 = 1,913.52 : x
2. Step 2: Convert to fraction form
   2,610.16/3,911.68 = 1,913.52/x
3. Step 3: Cross multiply
   2,610.16x = 3,911.68 × 1,913.52
4. Step 4: Simplify right side
   2,610.16x = 7,485,077.91
5. Step 5: Solve for x
   x = 7,485,077.91/2,610.16
6. Step 6: Final answer
   x = 2,867.67