Finding the Fourth Proportional to 2,150.70, 2,973.38 and 1,590.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.70 : 2,973.38 = 1,590.29 : x
2. Step 2: Convert to fraction form
   2,150.70/2,973.38 = 1,590.29/x
3. Step 3: Cross multiply
   2,150.70x = 2,973.38 × 1,590.29
4. Step 4: Simplify right side
   2,150.70x = 4,728,525.59
5. Step 5: Solve for x
   x = 4,728,525.59/2,150.70
6. Step 6: Final answer
   x = 2,198.60