Finding the Fourth Proportional to 2,070.48, 3,101.50 and 1,722.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.48 : 3,101.50 = 1,722.70 : x
2. Step 2: Convert to fraction form
   2,070.48/3,101.50 = 1,722.70/x
3. Step 3: Cross multiply
   2,070.48x = 3,101.50 × 1,722.70
4. Step 4: Simplify right side
   2,070.48x = 5,342,945.06
5. Step 5: Solve for x
   x = 5,342,945.06/2,070.48
6. Step 6: Final answer
   x = 2,580.53