Finding the Fourth Proportional to 22,150.39, 30,568.31 and 12,590.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.39 : 30,568.31 = 12,590.68 : x
2. Step 2: Convert to fraction form
   22,150.39/30,568.31 = 12,590.68/x
3. Step 3: Cross multiply
   22,150.39x = 30,568.31 × 12,590.68
4. Step 4: Simplify right side
   22,150.39x = 384,875,774.51
5. Step 5: Solve for x
   x = 384,875,774.51/22,150.39
6. Step 6: Final answer
   x = 17,375.57