Finding the Fourth Proportional to 2,116.01, 2,918.29 and 1,722.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.01 : 2,918.29 = 1,722.35 : x
2. Step 2: Convert to fraction form
   2,116.01/2,918.29 = 1,722.35/x
3. Step 3: Cross multiply
   2,116.01x = 2,918.29 × 1,722.35
4. Step 4: Simplify right side
   2,116.01x = 5,026,316.78
5. Step 5: Solve for x
   x = 5,026,316.78/2,116.01
6. Step 6: Final answer
   x = 2,375.37