Finding the Fourth Proportional to 1,772.77, 2,651.83 and 1,612.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772.77 : 2,651.83 = 1,612.39 : x
2. Step 2: Convert to fraction form
   1,772.77/2,651.83 = 1,612.39/x
3. Step 3: Cross multiply
   1,772.77x = 2,651.83 × 1,612.39
4. Step 4: Simplify right side
   1,772.77x = 4,275,784.17
5. Step 5: Solve for x
   x = 4,275,784.17/1,772.77
6. Step 6: Final answer
   x = 2,411.92