Finding the Fourth Proportional to 1,828.74, 2,520.70 and 1,429.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,828.74 : 2,520.70 = 1,429.71 : x
2. Step 2: Convert to fraction form
   1,828.74/2,520.70 = 1,429.71/x
3. Step 3: Cross multiply
   1,828.74x = 2,520.70 × 1,429.71
4. Step 4: Simplify right side
   1,828.74x = 3,603,870.00
5. Step 5: Solve for x
   x = 3,603,870.00/1,828.74
6. Step 6: Final answer
   x = 1,970.68