Finding the Fourth Proportional to 16,881.88, 25,315.52 and 5,789.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,881.88 : 25,315.52 = 5,789.64 : x
2. Step 2: Convert to fraction form
   16,881.88/25,315.52 = 5,789.64/x
3. Step 3: Cross multiply
   16,881.88x = 25,315.52 × 5,789.64
4. Step 4: Simplify right side
   16,881.88x = 146,567,747.21
5. Step 5: Solve for x
   x = 146,567,747.21/16,881.88
6. Step 6: Final answer
   x = 8,681.96