Finding the Fourth Proportional to 2,148.27, 3,219.93 and 976.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.27 : 3,219.93 = 976.52 : x
2. Step 2: Convert to fraction form
   2,148.27/3,219.93 = 976.52/x
3. Step 3: Cross multiply
   2,148.27x = 3,219.93 × 976.52
4. Step 4: Simplify right side
   2,148.27x = 3,144,309.94
5. Step 5: Solve for x
   x = 3,144,309.94/2,148.27
6. Step 6: Final answer
   x = 1,463.65