Finding the Fourth Proportional to 1,990.98, 2,746.71 and 1,194.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.98 : 2,746.71 = 1,194.53 : x
2. Step 2: Convert to fraction form
   1,990.98/2,746.71 = 1,194.53/x
3. Step 3: Cross multiply
   1,990.98x = 2,746.71 × 1,194.53
4. Step 4: Simplify right side
   1,990.98x = 3,281,013.76
5. Step 5: Solve for x
   x = 3,281,013.76/1,990.98
6. Step 6: Final answer
   x = 1,647.94