Finding the Fourth Proportional to 2,251.71, 3,378.38 and 1,385.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.71 : 3,378.38 = 1,385.01 : x
2. Step 2: Convert to fraction form
   2,251.71/3,378.38 = 1,385.01/x
3. Step 3: Cross multiply
   2,251.71x = 3,378.38 × 1,385.01
4. Step 4: Simplify right side
   2,251.71x = 4,679,083.16
5. Step 5: Solve for x
   x = 4,679,083.16/2,251.71
6. Step 6: Final answer
   x = 2,078.01