Finding the Fourth Proportional to 4,870.63, 7,296.33 and 3,222.19

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870.63 : 7,296.33 = 3,222.19 : x
2. Step 2: Convert to fraction form
   4,870.63/7,296.33 = 3,222.19/x
3. Step 3: Cross multiply
   4,870.63x = 7,296.33 × 3,222.19
4. Step 4: Simplify right side
   4,870.63x = 23,510,161.56
5. Step 5: Solve for x
   x = 23,510,161.56/4,870.63
6. Step 6: Final answer
   x = 4,826.92