Finding the Fourth Proportional to 2,612.46, 3,605.50 and 1,617.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.46 : 3,605.50 = 1,617.78 : x
2. Step 2: Convert to fraction form
   2,612.46/3,605.50 = 1,617.78/x
3. Step 3: Cross multiply
   2,612.46x = 3,605.50 × 1,617.78
4. Step 4: Simplify right side
   2,612.46x = 5,832,905.79
5. Step 5: Solve for x
   x = 5,832,905.79/2,612.46
6. Step 6: Final answer
   x = 2,232.73