Finding the Fourth Proportional to 2,420.46, 3,340.17 and 1,372.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420.46 : 3,340.17 = 1,372.50 : x
2. Step 2: Convert to fraction form
   2,420.46/3,340.17 = 1,372.50/x
3. Step 3: Cross multiply
   2,420.46x = 3,340.17 × 1,372.50
4. Step 4: Simplify right side
   2,420.46x = 4,584,383.33
5. Step 5: Solve for x
   x = 4,584,383.33/2,420.46
6. Step 6: Final answer
   x = 1,894.01