Finding the Fourth Proportional to 22,782.51, 31,429.15 and 14,821.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,782.51 : 31,429.15 = 14,821.83 : x
2. Step 2: Convert to fraction form
   22,782.51/31,429.15 = 14,821.83/x
3. Step 3: Cross multiply
   22,782.51x = 31,429.15 × 14,821.83
4. Step 4: Simplify right side
   22,782.51x = 465,837,481.29
5. Step 5: Solve for x
   x = 465,837,481.29/22,782.51
6. Step 6: Final answer
   x = 20,447.15