Finding the Fourth Proportional to 1,633.96, 2,254.86 and 887.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.96 : 2,254.86 = 887.91 : x
2. Step 2: Convert to fraction form
   1,633.96/2,254.86 = 887.91/x
3. Step 3: Cross multiply
   1,633.96x = 2,254.86 × 887.91
4. Step 4: Simplify right side
   1,633.96x = 2,002,119.47
5. Step 5: Solve for x
   x = 2,002,119.47/1,633.96
6. Step 6: Final answer
   x = 1,225.31