Finding the Fourth Proportional to 22,964.32, 31,692.59 and 12,893.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,964.32 : 31,692.59 = 12,893.42 : x
2. Step 2: Convert to fraction form
   22,964.32/31,692.59 = 12,893.42/x
3. Step 3: Cross multiply
   22,964.32x = 31,692.59 × 12,893.42
4. Step 4: Simplify right side
   22,964.32x = 408,625,873.76
5. Step 5: Solve for x
   x = 408,625,873.76/22,964.32
6. Step 6: Final answer
   x = 17,793.95