Finding the Fourth Proportional to 1,887.43, 2,827.95 and 1,155.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.43 : 2,827.95 = 1,155.48 : x
2. Step 2: Convert to fraction form
   1,887.43/2,827.95 = 1,155.48/x
3. Step 3: Cross multiply
   1,887.43x = 2,827.95 × 1,155.48
4. Step 4: Simplify right side
   1,887.43x = 3,267,641.83
5. Step 5: Solve for x
   x = 3,267,641.83/1,887.43
6. Step 6: Final answer
   x = 1,731.26