Finding the Fourth Proportional to 2,531.50, 3,796.89 and 887.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.50 : 3,796.89 = 887.98 : x
2. Step 2: Convert to fraction form
   2,531.50/3,796.89 = 887.98/x
3. Step 3: Cross multiply
   2,531.50x = 3,796.89 × 887.98
4. Step 4: Simplify right side
   2,531.50x = 3,371,562.38
5. Step 5: Solve for x
   x = 3,371,562.38/2,531.50
6. Step 6: Final answer
   x = 1,331.84