Finding the Fourth Proportional to 3,018.72, 4,166.04 and 1,692.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,018.72 : 4,166.04 = 1,692.40 : x
2. Step 2: Convert to fraction form
   3,018.72/4,166.04 = 1,692.40/x
3. Step 3: Cross multiply
   3,018.72x = 4,166.04 × 1,692.40
4. Step 4: Simplify right side
   3,018.72x = 7,050,606.10
5. Step 5: Solve for x
   x = 7,050,606.10/3,018.72
6. Step 6: Final answer
   x = 2,335.63