Finding the Fourth Proportional to 1,339.83, 2,006.69 and 970.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.83 : 2,006.69 = 970.83 : x
2. Step 2: Convert to fraction form
   1,339.83/2,006.69 = 970.83/x
3. Step 3: Cross multiply
   1,339.83x = 2,006.69 × 970.83
4. Step 4: Simplify right side
   1,339.83x = 1,948,150.00
5. Step 5: Solve for x
   x = 1,948,150.00/1,339.83
6. Step 6: Final answer
   x = 1,454.03