Finding the Fourth Proportional to 22,484.28, 31,029.98 and 13,054.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,484.28 : 31,029.98 = 13,054.28 : x
2. Step 2: Convert to fraction form
   22,484.28/31,029.98 = 13,054.28/x
3. Step 3: Cross multiply
   22,484.28x = 31,029.98 × 13,054.28
4. Step 4: Simplify right side
   22,484.28x = 405,074,047.31
5. Step 5: Solve for x
   x = 405,074,047.31/22,484.28
6. Step 6: Final answer
   x = 18,015.88