Finding the Fourth Proportional to 31,111.66, 42,933.99 and 16,964.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,111.66 : 42,933.99 = 16,964.52 : x
2. Step 2: Convert to fraction form
   31,111.66/42,933.99 = 16,964.52/x
3. Step 3: Cross multiply
   31,111.66x = 42,933.99 × 16,964.52
4. Step 4: Simplify right side
   31,111.66x = 728,354,532.03
5. Step 5: Solve for x
   x = 728,354,532.03/31,111.66
6. Step 6: Final answer
   x = 23,410.98