Finding the Fourth Proportional to 31,069.41, 42,875.77 and 16,922.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,069.41 : 42,875.77 = 16,922.25 : x
2. Step 2: Convert to fraction form
   31,069.41/42,875.77 = 16,922.25/x
3. Step 3: Cross multiply
   31,069.41x = 42,875.77 × 16,922.25
4. Step 4: Simplify right side
   31,069.41x = 725,554,498.88
5. Step 5: Solve for x
   x = 725,554,498.88/31,069.41
6. Step 6: Final answer
   x = 23,352.70