Finding the Fourth Proportional to 17,784.32, 26,514.38 and 17,329.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,784.32 : 26,514.38 = 17,329.91 : x
2. Step 2: Convert to fraction form
   17,784.32/26,514.38 = 17,329.91/x
3. Step 3: Cross multiply
   17,784.32x = 26,514.38 × 17,329.91
4. Step 4: Simplify right side
   17,784.32x = 459,491,729.86
5. Step 5: Solve for x
   x = 459,491,729.86/17,784.32
6. Step 6: Final answer
   x = 25,836.91