Finding the Fourth Proportional to 22,987.67, 31,649.66 and 19,616.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,987.67 : 31,649.66 = 19,616.96 : x
2. Step 2: Convert to fraction form
   22,987.67/31,649.66 = 19,616.96/x
3. Step 3: Cross multiply
   22,987.67x = 31,649.66 × 19,616.96
4. Step 4: Simplify right side
   22,987.67x = 620,870,095.27
5. Step 5: Solve for x
   x = 620,870,095.27/22,987.67
6. Step 6: Final answer
   x = 27,008.83