Finding the Fourth Proportional to 12,460.05, 18,686.89 and 3,692.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,460.05 : 18,686.89 = 3,692.92 : x
2. Step 2: Convert to fraction form
   12,460.05/18,686.89 = 3,692.92/x
3. Step 3: Cross multiply
   12,460.05x = 18,686.89 × 3,692.92
4. Step 4: Simplify right side
   12,460.05x = 69,009,189.82
5. Step 5: Solve for x
   x = 69,009,189.82/12,460.05
6. Step 6: Final answer
   x = 5,538.44