Finding the Fourth Proportional to 1,781.27, 2,457.25 and 1,152.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781.27 : 2,457.25 = 1,152.33 : x
2. Step 2: Convert to fraction form
   1,781.27/2,457.25 = 1,152.33/x
3. Step 3: Cross multiply
   1,781.27x = 2,457.25 × 1,152.33
4. Step 4: Simplify right side
   1,781.27x = 2,831,562.89
5. Step 5: Solve for x
   x = 2,831,562.89/1,781.27
6. Step 6: Final answer
   x = 1,589.63