Finding the Fourth Proportional to 12,590.32, 17,372.71 and 7,284.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,590.32 : 17,372.71 = 7,284.12 : x
2. Step 2: Convert to fraction form
   12,590.32/17,372.71 = 7,284.12/x
3. Step 3: Cross multiply
   12,590.32x = 17,372.71 × 7,284.12
4. Step 4: Simplify right side
   12,590.32x = 126,544,904.37
5. Step 5: Solve for x
   x = 126,544,904.37/12,590.32
6. Step 6: Final answer
   x = 10,050.97