Finding the Fourth Proportional to 31,045.14, 42,843.06 and 16,898.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,045.14 : 42,843.06 = 16,898.76 : x
2. Step 2: Convert to fraction form
   31,045.14/42,843.06 = 16,898.76/x
3. Step 3: Cross multiply
   31,045.14x = 42,843.06 × 16,898.76
4. Step 4: Simplify right side
   31,045.14x = 723,994,588.61
5. Step 5: Solve for x
   x = 723,994,588.61/31,045.14
6. Step 6: Final answer
   x = 23,320.71