Finding the Fourth Proportional to 22,468.32, 31,005.99 and 12,396.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,468.32 : 31,005.99 = 12,396.78 : x
2. Step 2: Convert to fraction form
   22,468.32/31,005.99 = 12,396.78/x
3. Step 3: Cross multiply
   22,468.32x = 31,005.99 × 12,396.78
4. Step 4: Simplify right side
   22,468.32x = 384,374,436.71
5. Step 5: Solve for x
   x = 384,374,436.71/22,468.32
6. Step 6: Final answer
   x = 17,107.40