Finding the Fourth Proportional to 22,576.31, 31,155.63 and 13,016.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,576.31 : 31,155.63 = 13,016.00 : x
2. Step 2: Convert to fraction form
   22,576.31/31,155.63 = 13,016.00/x
3. Step 3: Cross multiply
   22,576.31x = 31,155.63 × 13,016.00
4. Step 4: Simplify right side
   22,576.31x = 405,521,709.16
5. Step 5: Solve for x
   x = 405,521,709.16/22,576.31
6. Step 6: Final answer
   x = 17,962.27