Finding the Fourth Proportional to 22,831, 34,199.32 and 13,442.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,831 : 34,199.32 = 13,442.10 : x
2. Step 2: Convert to fraction form
   22,831/34,199.32 = 13,442.10/x
3. Step 3: Cross multiply
   22,831x = 34,199.32 × 13,442.10
4. Step 4: Simplify right side
   22,831x = 459,710,679.37
5. Step 5: Solve for x
   x = 459,710,679.37/22,831
6. Step 6: Final answer
   x = 20,135.37