Finding the Fourth Proportional to 22,476.72, 31,024 and 13,043.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,476.72 : 31,024 = 13,043.36 : x
2. Step 2: Convert to fraction form
   22,476.72/31,024 = 13,043.36/x
3. Step 3: Cross multiply
   22,476.72x = 31,024 × 13,043.36
4. Step 4: Simplify right side
   22,476.72x = 404,657,200.64
5. Step 5: Solve for x
   x = 404,657,200.64/22,476.72
6. Step 6: Final answer
   x = 18,003.39