Finding the Fourth Proportional to 22,919.31, 31,618.63 and 16,210.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,919.31 : 31,618.63 = 16,210.69 : x
2. Step 2: Convert to fraction form
   22,919.31/31,618.63 = 16,210.69/x
3. Step 3: Cross multiply
   22,919.31x = 31,618.63 × 16,210.69
4. Step 4: Simplify right side
   22,919.31x = 512,559,809.15
5. Step 5: Solve for x
   x = 512,559,809.15/22,919.31
6. Step 6: Final answer
   x = 22,363.67