Finding the Fourth Proportional to 3,162.06, 4,742.15 and 1,214.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,162.06 : 4,742.15 = 1,214.01 : x
2. Step 2: Convert to fraction form
   3,162.06/4,742.15 = 1,214.01/x
3. Step 3: Cross multiply
   3,162.06x = 4,742.15 × 1,214.01
4. Step 4: Simplify right side
   3,162.06x = 5,757,011.45
5. Step 5: Solve for x
   x = 5,757,011.45/3,162.06
6. Step 6: Final answer
   x = 1,820.65