Finding the Fourth Proportional to 31,075.14, 42,884.73 and 16,929.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,075.14 : 42,884.73 = 16,929.30 : x
2. Step 2: Convert to fraction form
   31,075.14/42,884.73 = 16,929.30/x
3. Step 3: Cross multiply
   31,075.14x = 42,884.73 × 16,929.30
4. Step 4: Simplify right side
   31,075.14x = 726,008,459.59
5. Step 5: Solve for x
   x = 726,008,459.59/31,075.14
6. Step 6: Final answer
   x = 23,363.00