Finding the Fourth Proportional to 22,947.51, 31,677.27 and 13,998.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,947.51 : 31,677.27 = 13,998.22 : x
2. Step 2: Convert to fraction form
   22,947.51/31,677.27 = 13,998.22/x
3. Step 3: Cross multiply
   22,947.51x = 31,677.27 × 13,998.22
4. Step 4: Simplify right side
   22,947.51x = 443,425,394.46
5. Step 5: Solve for x
   x = 443,425,394.46/22,947.51
6. Step 6: Final answer
   x = 19,323.46