Finding the Fourth Proportional to 1,938.06, 2,910.82 and 1,661.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.06 : 2,910.82 = 1,661.04 : x
2. Step 2: Convert to fraction form
   1,938.06/2,910.82 = 1,661.04/x
3. Step 3: Cross multiply
   1,938.06x = 2,910.82 × 1,661.04
4. Step 4: Simplify right side
   1,938.06x = 4,834,988.45
5. Step 5: Solve for x
   x = 4,834,988.45/1,938.06
6. Step 6: Final answer
   x = 2,494.76