Finding the Fourth Proportional to 2,901.50, 4,005.10 and 1,722.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,901.50 : 4,005.10 = 1,722.56 : x
2. Step 2: Convert to fraction form
   2,901.50/4,005.10 = 1,722.56/x
3. Step 3: Cross multiply
   2,901.50x = 4,005.10 × 1,722.56
4. Step 4: Simplify right side
   2,901.50x = 6,899,030.76
5. Step 5: Solve for x
   x = 6,899,030.76/2,901.50
6. Step 6: Final answer
   x = 2,377.75