Finding the Fourth Proportional to 22,970.24, 31,699.32 and 12,761

Step by Step Solution

1. Step 1: Write the proportion equation
   22,970.24 : 31,699.32 = 12,761 : x
2. Step 2: Convert to fraction form
   22,970.24/31,699.32 = 12,761/x
3. Step 3: Cross multiply
   22,970.24x = 31,699.32 × 12,761
4. Step 4: Simplify right side
   22,970.24x = 404,515,022.52
5. Step 5: Solve for x
   x = 404,515,022.52/22,970.24
6. Step 6: Final answer
   x = 17,610.40