Finding the Fourth Proportional to 22,448.96, 30,977.45 and 13,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,448.96 : 30,977.45 = 13,016.50 : x
2. Step 2: Convert to fraction form
   22,448.96/30,977.45 = 13,016.50/x
3. Step 3: Cross multiply
   22,448.96x = 30,977.45 × 13,016.50
4. Step 4: Simplify right side
   22,448.96x = 403,217,977.93
5. Step 5: Solve for x
   x = 403,217,977.93/22,448.96
6. Step 6: Final answer
   x = 17,961.54