Finding the Fourth Proportional to 42,993.82, 64,452.25 and 16,692.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,993.82 : 64,452.25 = 16,692.31 : x
2. Step 2: Convert to fraction form
   42,993.82/64,452.25 = 16,692.31/x
3. Step 3: Cross multiply
   42,993.82x = 64,452.25 × 16,692.31
4. Step 4: Simplify right side
   42,993.82x = 1,075,856,937.20
5. Step 5: Solve for x
   x = 1,075,856,937.20/42,993.82
6. Step 6: Final answer
   x = 25,023.53