Finding the Fourth Proportional to 25,139.83, 34,692.01 and 13,962.55

Step by Step Solution

1. Step 1: Write the proportion equation
   25,139.83 : 34,692.01 = 13,962.55 : x
2. Step 2: Convert to fraction form
   25,139.83/34,692.01 = 13,962.55/x
3. Step 3: Cross multiply
   25,139.83x = 34,692.01 × 13,962.55
4. Step 4: Simplify right side
   25,139.83x = 484,388,924.23
5. Step 5: Solve for x
   x = 484,388,924.23/25,139.83
6. Step 6: Final answer
   x = 19,267.79