Finding the Fourth Proportional to 31,034.16, 42,826.73 and 16,886.97

Step by Step Solution

1. Step 1: Write the proportion equation
   31,034.16 : 42,826.73 = 16,886.97 : x
2. Step 2: Convert to fraction form
   31,034.16/42,826.73 = 16,886.97/x
3. Step 3: Cross multiply
   31,034.16x = 42,826.73 × 16,886.97
4. Step 4: Simplify right side
   31,034.16x = 723,213,620.27
5. Step 5: Solve for x
   x = 723,213,620.27/31,034.16
6. Step 6: Final answer
   x = 23,303.79