Finding the Fourth Proportional to 11,758.38, 17,634.33 and 8,443.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,758.38 : 17,634.33 = 8,443.86 : x
2. Step 2: Convert to fraction form
   11,758.38/17,634.33 = 8,443.86/x
3. Step 3: Cross multiply
   11,758.38x = 17,634.33 × 8,443.86
4. Step 4: Simplify right side
   11,758.38x = 148,901,813.71
5. Step 5: Solve for x
   x = 148,901,813.71/11,758.38
6. Step 6: Final answer
   x = 12,663.46