Finding the Fourth Proportional to 22,947.76, 31,665.09 and 13,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,947.76 : 31,665.09 = 13,514.50 : x
2. Step 2: Convert to fraction form
   22,947.76/31,665.09 = 13,514.50/x
3. Step 3: Cross multiply
   22,947.76x = 31,665.09 × 13,514.50
4. Step 4: Simplify right side
   22,947.76x = 427,937,858.81
5. Step 5: Solve for x
   x = 427,937,858.81/22,947.76
6. Step 6: Final answer
   x = 18,648.35