Finding the Fourth Proportional to 2,816.73, 3,884.81 and 2,152.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,816.73 : 3,884.81 = 2,152.53 : x
2. Step 2: Convert to fraction form
   2,816.73/3,884.81 = 2,152.53/x
3. Step 3: Cross multiply
   2,816.73x = 3,884.81 × 2,152.53
4. Step 4: Simplify right side
   2,816.73x = 8,362,159.31
5. Step 5: Solve for x
   x = 8,362,159.31/2,816.73
6. Step 6: Final answer
   x = 2,968.75