Finding the Fourth Proportional to 12,459.83, 18,692.47 and 3,694.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,459.83 : 18,692.47 = 3,694.51 : x
2. Step 2: Convert to fraction form
   12,459.83/18,692.47 = 3,694.51/x
3. Step 3: Cross multiply
   12,459.83x = 18,692.47 × 3,694.51
4. Step 4: Simplify right side
   12,459.83x = 69,059,545.32
5. Step 5: Solve for x
   x = 69,059,545.32/12,459.83
6. Step 6: Final answer
   x = 5,542.58