Finding the Fourth Proportional to 1,335.17, 1,841.67 and 887.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.17 : 1,841.67 = 887.03 : x
2. Step 2: Convert to fraction form
   1,335.17/1,841.67 = 887.03/x
3. Step 3: Cross multiply
   1,335.17x = 1,841.67 × 887.03
4. Step 4: Simplify right side
   1,335.17x = 1,633,607.33
5. Step 5: Solve for x
   x = 1,633,607.33/1,335.17
6. Step 6: Final answer
   x = 1,223.52