Finding the Fourth Proportional to 2,425.46, 3,347.20 and 1,377.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.46 : 3,347.20 = 1,377.50 : x
2. Step 2: Convert to fraction form
   2,425.46/3,347.20 = 1,377.50/x
3. Step 3: Cross multiply
   2,425.46x = 3,347.20 × 1,377.50
4. Step 4: Simplify right side
   2,425.46x = 4,610,768
5. Step 5: Solve for x
   x = 4,610,768/2,425.46
6. Step 6: Final answer
   x = 1,900.99