Finding the Fourth Proportional to 2,612.50, 3,605.13 and 1,565.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.50 : 3,605.13 = 1,565.14 : x
2. Step 2: Convert to fraction form
   2,612.50/3,605.13 = 1,565.14/x
3. Step 3: Cross multiply
   2,612.50x = 3,605.13 × 1,565.14
4. Step 4: Simplify right side
   2,612.50x = 5,642,533.17
5. Step 5: Solve for x
   x = 5,642,533.17/2,612.50
6. Step 6: Final answer
   x = 2,159.82