Finding the Fourth Proportional to 1,255.68, 1,874.25 and 1,071.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255.68 : 1,874.25 = 1,071.72 : x
2. Step 2: Convert to fraction form
   1,255.68/1,874.25 = 1,071.72/x
3. Step 3: Cross multiply
   1,255.68x = 1,874.25 × 1,071.72
4. Step 4: Simplify right side
   1,255.68x = 2,008,671.21
5. Step 5: Solve for x
   x = 2,008,671.21/1,255.68
6. Step 6: Final answer
   x = 1,599.67