Finding the Fourth Proportional to 8,419.88, 12,631.86 and 5,959.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,419.88 : 12,631.86 = 5,959.52 : x
2. Step 2: Convert to fraction form
   8,419.88/12,631.86 = 5,959.52/x
3. Step 3: Cross multiply
   8,419.88x = 12,631.86 × 5,959.52
4. Step 4: Simplify right side
   8,419.88x = 75,279,822.31
5. Step 5: Solve for x
   x = 75,279,822.31/8,419.88
6. Step 6: Final answer
   x = 8,940.72