Finding the Fourth Proportional to 2,070.67, 3,101.77 and 1,722.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.67 : 3,101.77 = 1,722.89 : x
2. Step 2: Convert to fraction form
   2,070.67/3,101.77 = 1,722.89/x
3. Step 3: Cross multiply
   2,070.67x = 3,101.77 × 1,722.89
4. Step 4: Simplify right side
   2,070.67x = 5,343,993.01
5. Step 5: Solve for x
   x = 5,343,993.01/2,070.67
6. Step 6: Final answer
   x = 2,580.80