Finding the Fourth Proportional to 2,123.89, 3,185.19 and 737.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.89 : 3,185.19 = 737.17 : x
2. Step 2: Convert to fraction form
   2,123.89/3,185.19 = 737.17/x
3. Step 3: Cross multiply
   2,123.89x = 3,185.19 × 737.17
4. Step 4: Simplify right side
   2,123.89x = 2,348,018.55
5. Step 5: Solve for x
   x = 2,348,018.55/2,123.89
6. Step 6: Final answer
   x = 1,105.53