Finding the Fourth Proportional to 1,251.69, 1,875.48 and 885.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251.69 : 1,875.48 = 885.82 : x
2. Step 2: Convert to fraction form
   1,251.69/1,875.48 = 885.82/x
3. Step 3: Cross multiply
   1,251.69x = 1,875.48 × 885.82
4. Step 4: Simplify right side
   1,251.69x = 1,661,337.69
5. Step 5: Solve for x
   x = 1,661,337.69/1,251.69
6. Step 6: Final answer
   x = 1,327.28