Finding the Fourth Proportional to 31,075.71, 42,884.42 and 16,928.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,075.71 : 42,884.42 = 16,928.52 : x
2. Step 2: Convert to fraction form
   31,075.71/42,884.42 = 16,928.52/x
3. Step 3: Cross multiply
   31,075.71x = 42,884.42 × 16,928.52
4. Step 4: Simplify right side
   31,075.71x = 725,969,677.02
5. Step 5: Solve for x
   x = 725,969,677.02/31,075.71
6. Step 6: Final answer
   x = 23,361.32