Finding the Fourth Proportional to 31,118.82, 42,946.54 and 17,694.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,118.82 : 42,946.54 = 17,694.30 : x
2. Step 2: Convert to fraction form
   31,118.82/42,946.54 = 17,694.30/x
3. Step 3: Cross multiply
   31,118.82x = 42,946.54 × 17,694.30
4. Step 4: Simplify right side
   31,118.82x = 759,908,962.72
5. Step 5: Solve for x
   x = 759,908,962.72/31,118.82
6. Step 6: Final answer
   x = 24,419.59