Finding the Fourth Proportional to 3,936.06, 5,902.72 and 1,162.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936.06 : 5,902.72 = 1,162.01 : x
2. Step 2: Convert to fraction form
   3,936.06/5,902.72 = 1,162.01/x
3. Step 3: Cross multiply
   3,936.06x = 5,902.72 × 1,162.01
4. Step 4: Simplify right side
   3,936.06x = 6,859,031.52
5. Step 5: Solve for x
   x = 6,859,031.52/3,936.06
6. Step 6: Final answer
   x = 1,742.61