Finding the Fourth Proportional to 22,961.91, 31,687.58 and 12,753.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,961.91 : 31,687.58 = 12,753.02 : x
2. Step 2: Convert to fraction form
   22,961.91/31,687.58 = 12,753.02/x
3. Step 3: Cross multiply
   22,961.91x = 31,687.58 × 12,753.02
4. Step 4: Simplify right side
   22,961.91x = 404,112,327.60
5. Step 5: Solve for x
   x = 404,112,327.60/22,961.91
6. Step 6: Final answer
   x = 17,599.25