Finding the Fourth Proportional to 31,104.39, 42,922.81 and 16,956.93

Step by Step Solution

1. Step 1: Write the proportion equation
   31,104.39 : 42,922.81 = 16,956.93 : x
2. Step 2: Convert to fraction form
   31,104.39/42,922.81 = 16,956.93/x
3. Step 3: Cross multiply
   31,104.39x = 42,922.81 × 16,956.93
4. Step 4: Simplify right side
   31,104.39x = 727,839,084.57
5. Step 5: Solve for x
   x = 727,839,084.57/31,104.39
6. Step 6: Final answer
   x = 23,399.88