Finding the Fourth Proportional to 22,563.06, 31,137.78 and 13,002.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,563.06 : 31,137.78 = 13,002.22 : x
2. Step 2: Convert to fraction form
   22,563.06/31,137.78 = 13,002.22/x
3. Step 3: Cross multiply
   22,563.06x = 31,137.78 × 13,002.22
4. Step 4: Simplify right side
   22,563.06x = 404,860,353.55
5. Step 5: Solve for x
   x = 404,860,353.55/22,563.06
6. Step 6: Final answer
   x = 17,943.51