Finding the Fourth Proportional to 3,171.18, 4,756.76 and 1,222.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171.18 : 4,756.76 = 1,222.01 : x
2. Step 2: Convert to fraction form
   3,171.18/4,756.76 = 1,222.01/x
3. Step 3: Cross multiply
   3,171.18x = 4,756.76 × 1,222.01
4. Step 4: Simplify right side
   3,171.18x = 5,812,808.29
5. Step 5: Solve for x
   x = 5,812,808.29/3,171.18
6. Step 6: Final answer
   x = 1,833.01