Finding the Fourth Proportional to 1,777.32, 2,665.42 and 1,164.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.32 : 2,665.42 = 1,164.28 : x
2. Step 2: Convert to fraction form
   1,777.32/2,665.42 = 1,164.28/x
3. Step 3: Cross multiply
   1,777.32x = 2,665.42 × 1,164.28
4. Step 4: Simplify right side
   1,777.32x = 3,103,295.20
5. Step 5: Solve for x
   x = 3,103,295.20/1,777.32
6. Step 6: Final answer
   x = 1,746.05