Finding the Fourth Proportional to 12,404.72, 18,692.36 and 10,261.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.72 : 18,692.36 = 10,261.48 : x
2. Step 2: Convert to fraction form
   12,404.72/18,692.36 = 10,261.48/x
3. Step 3: Cross multiply
   12,404.72x = 18,692.36 × 10,261.48
4. Step 4: Simplify right side
   12,404.72x = 191,811,278.29
5. Step 5: Solve for x
   x = 191,811,278.29/12,404.72
6. Step 6: Final answer
   x = 15,462.77