Finding the Fourth Proportional to 22,964.41, 31,690.59 and 12,892.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,964.41 : 31,690.59 = 12,892.59 : x
2. Step 2: Convert to fraction form
   22,964.41/31,690.59 = 12,892.59/x
3. Step 3: Cross multiply
   22,964.41x = 31,690.59 × 12,892.59
4. Step 4: Simplify right side
   22,964.41x = 408,573,897.03
5. Step 5: Solve for x
   x = 408,573,897.03/22,964.41
6. Step 6: Final answer
   x = 17,791.61