Finding the Fourth Proportional to 2,077.56, 2,864.34 and 1,722.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.56 : 2,864.34 = 1,722.18 : x
2. Step 2: Convert to fraction form
   2,077.56/2,864.34 = 1,722.18/x
3. Step 3: Cross multiply
   2,077.56x = 2,864.34 × 1,722.18
4. Step 4: Simplify right side
   2,077.56x = 4,932,909.06
5. Step 5: Solve for x
   x = 4,932,909.06/2,077.56
6. Step 6: Final answer
   x = 2,374.38