Finding the Fourth Proportional to 1,083.34, 1,494.84 and 617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.34 : 1,494.84 = 617.50 : x
2. Step 2: Convert to fraction form
   1,083.34/1,494.84 = 617.50/x
3. Step 3: Cross multiply
   1,083.34x = 1,494.84 × 617.50
4. Step 4: Simplify right side
   1,083.34x = 923,063.70
5. Step 5: Solve for x
   x = 923,063.70/1,083.34
6. Step 6: Final answer
   x = 852.05