Finding the Fourth Proportional to 22,883.58, 31,575.69 and 12,812.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,883.58 : 31,575.69 = 12,812.45 : x
2. Step 2: Convert to fraction form
   22,883.58/31,575.69 = 12,812.45/x
3. Step 3: Cross multiply
   22,883.58x = 31,575.69 × 12,812.45
4. Step 4: Simplify right side
   22,883.58x = 404,561,791.46
5. Step 5: Solve for x
   x = 404,561,791.46/22,883.58
6. Step 6: Final answer
   x = 17,679.13