Finding the Fourth Proportional to 8,401.33, 12,595.29 and 5,442.79

Step by Step Solution

1. Step 1: Write the proportion equation
   8,401.33 : 12,595.29 = 5,442.79 : x
2. Step 2: Convert to fraction form
   8,401.33/12,595.29 = 5,442.79/x
3. Step 3: Cross multiply
   8,401.33x = 12,595.29 × 5,442.79
4. Step 4: Simplify right side
   8,401.33x = 68,553,518.46
5. Step 5: Solve for x
   x = 68,553,518.46/8,401.33
6. Step 6: Final answer
   x = 8,159.84