Finding the Fourth Proportional to 1,517.50, 2,094.17 and 887.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.50 : 2,094.17 = 887.91 : x
2. Step 2: Convert to fraction form
   1,517.50/2,094.17 = 887.91/x
3. Step 3: Cross multiply
   1,517.50x = 2,094.17 × 887.91
4. Step 4: Simplify right side
   1,517.50x = 1,859,434.48
5. Step 5: Solve for x
   x = 1,859,434.48/1,517.50
6. Step 6: Final answer
   x = 1,225.33