Finding the Fourth Proportional to 1,765.71, 2,645.32 and 1,114.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.71 : 2,645.32 = 1,114.83 : x
2. Step 2: Convert to fraction form
   1,765.71/2,645.32 = 1,114.83/x
3. Step 3: Cross multiply
   1,765.71x = 2,645.32 × 1,114.83
4. Step 4: Simplify right side
   1,765.71x = 2,949,082.10
5. Step 5: Solve for x
   x = 2,949,082.10/1,765.71
6. Step 6: Final answer
   x = 1,670.20