Finding the Fourth Proportional to 31,044.94, 42,842.01 and 16,897.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,044.94 : 42,842.01 = 16,897.88 : x
2. Step 2: Convert to fraction form
   31,044.94/42,842.01 = 16,897.88/x
3. Step 3: Cross multiply
   31,044.94x = 42,842.01 × 16,897.88
4. Step 4: Simplify right side
   31,044.94x = 723,939,143.94
5. Step 5: Solve for x
   x = 723,939,143.94/31,044.94
6. Step 6: Final answer
   x = 23,319.07