Finding the Fourth Proportional to 2,509.77, 3,460.28 and 1,722.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509.77 : 3,460.28 = 1,722.45 : x
2. Step 2: Convert to fraction form
   2,509.77/3,460.28 = 1,722.45/x
3. Step 3: Cross multiply
   2,509.77x = 3,460.28 × 1,722.45
4. Step 4: Simplify right side
   2,509.77x = 5,960,150.67
5. Step 5: Solve for x
   x = 5,960,150.67/2,509.77
6. Step 6: Final answer
   x = 2,374.78