Finding the Fourth Proportional to 22,638.83, 31,241.00 and 12,567.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,638.83 : 31,241.00 = 12,567.01 : x
2. Step 2: Convert to fraction form
   22,638.83/31,241.00 = 12,567.01/x
3. Step 3: Cross multiply
   22,638.83x = 31,241.00 × 12,567.01
4. Step 4: Simplify right side
   22,638.83x = 392,605,740.37
5. Step 5: Solve for x
   x = 392,605,740.37/22,638.83
6. Step 6: Final answer
   x = 17,342.14