Finding the Fourth Proportional to 2,079.88, 3,101.78 and 1,773.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.88 : 3,101.78 = 1,773.70 : x
2. Step 2: Convert to fraction form
   2,079.88/3,101.78 = 1,773.70/x
3. Step 3: Cross multiply
   2,079.88x = 3,101.78 × 1,773.70
4. Step 4: Simplify right side
   2,079.88x = 5,501,643.81
5. Step 5: Solve for x
   x = 5,501,643.81/2,079.88
6. Step 6: Final answer
   x = 2,645.17