Finding the Fourth Proportional to 31,112.34, 42,933.96 and 17,683.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,112.34 : 42,933.96 = 17,683.36 : x
2. Step 2: Convert to fraction form
   31,112.34/42,933.96 = 17,683.36/x
3. Step 3: Cross multiply
   31,112.34x = 42,933.96 × 17,683.36
4. Step 4: Simplify right side
   31,112.34x = 759,216,670.91
5. Step 5: Solve for x
   x = 759,216,670.91/31,112.34
6. Step 6: Final answer
   x = 24,402.43