Finding the Fourth Proportional to 1,949.78, 2,909.74 and 1,742.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.78 : 2,909.74 = 1,742.02 : x
2. Step 2: Convert to fraction form
   1,949.78/2,909.74 = 1,742.02/x
3. Step 3: Cross multiply
   1,949.78x = 2,909.74 × 1,742.02
4. Step 4: Simplify right side
   1,949.78x = 5,068,825.27
5. Step 5: Solve for x
   x = 5,068,825.27/1,949.78
6. Step 6: Final answer
   x = 2,599.69