Finding the Fourth Proportional to 1,182.83, 1,634.55 and 887.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.83 : 1,634.55 = 887.58 : x
2. Step 2: Convert to fraction form
   1,182.83/1,634.55 = 887.58/x
3. Step 3: Cross multiply
   1,182.83x = 1,634.55 × 887.58
4. Step 4: Simplify right side
   1,182.83x = 1,450,793.89
5. Step 5: Solve for x
   x = 1,450,793.89/1,182.83
6. Step 6: Final answer
   x = 1,226.54