Finding the Fourth Proportional to 17,785.60, 26,682.72 and 5,305.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,785.60 : 26,682.72 = 5,305.52 : x
2. Step 2: Convert to fraction form
   17,785.60/26,682.72 = 5,305.52/x
3. Step 3: Cross multiply
   17,785.60x = 26,682.72 × 5,305.52
4. Step 4: Simplify right side
   17,785.60x = 141,565,704.61
5. Step 5: Solve for x
   x = 141,565,704.61/17,785.60
6. Step 6: Final answer
   x = 7,959.57