Finding the Fourth Proportional to 31,075.99, 42,884.93 and 16,928.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,075.99 : 42,884.93 = 16,928.53 : x
2. Step 2: Convert to fraction form
   31,075.99/42,884.93 = 16,928.53/x
3. Step 3: Cross multiply
   31,075.99x = 42,884.93 × 16,928.53
4. Step 4: Simplify right side
   31,075.99x = 725,978,824.05
5. Step 5: Solve for x
   x = 725,978,824.05/31,075.99
6. Step 6: Final answer
   x = 23,361.41