Finding the Fourth Proportional to 31,035.06, 42,829.29 and 16,888.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,035.06 : 42,829.29 = 16,888.82 : x
2. Step 2: Convert to fraction form
   31,035.06/42,829.29 = 16,888.82/x
3. Step 3: Cross multiply
   31,035.06x = 42,829.29 × 16,888.82
4. Step 4: Simplify right side
   31,035.06x = 723,336,169.54
5. Step 5: Solve for x
   x = 723,336,169.54/31,035.06
6. Step 6: Final answer
   x = 23,307.07