Finding the Fourth Proportional to 22,919.90, 31,648.28 and 14,435.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,919.90 : 31,648.28 = 14,435.69 : x
2. Step 2: Convert to fraction form
   22,919.90/31,648.28 = 14,435.69/x
3. Step 3: Cross multiply
   22,919.90x = 31,648.28 × 14,435.69
4. Step 4: Simplify right side
   22,919.90x = 456,864,528.69
5. Step 5: Solve for x
   x = 456,864,528.69/22,919.90
6. Step 6: Final answer
   x = 19,933.10