Finding the Fourth Proportional to 4,775.79, 7,164.42 and 1,488.18

Step by Step Solution

1. Step 1: Write the proportion equation
   4,775.79 : 7,164.42 = 1,488.18 : x
2. Step 2: Convert to fraction form
   4,775.79/7,164.42 = 1,488.18/x
3. Step 3: Cross multiply
   4,775.79x = 7,164.42 × 1,488.18
4. Step 4: Simplify right side
   4,775.79x = 10,661,946.56
5. Step 5: Solve for x
   x = 10,661,946.56/4,775.79
6. Step 6: Final answer
   x = 2,232.50