Finding the Fourth Proportional to 1,776.76, 2,661.27 and 1,465.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776.76 : 2,661.27 = 1,465.12 : x
2. Step 2: Convert to fraction form
   1,776.76/2,661.27 = 1,465.12/x
3. Step 3: Cross multiply
   1,776.76x = 2,661.27 × 1,465.12
4. Step 4: Simplify right side
   1,776.76x = 3,899,079.90
5. Step 5: Solve for x
   x = 3,899,079.90/1,776.76
6. Step 6: Final answer
   x = 2,194.49