Finding the Fourth Proportional to 2,283.72, 3,151.79 and 2,142.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.72 : 3,151.79 = 2,142.93 : x
2. Step 2: Convert to fraction form
   2,283.72/3,151.79 = 2,142.93/x
3. Step 3: Cross multiply
   2,283.72x = 3,151.79 × 2,142.93
4. Step 4: Simplify right side
   2,283.72x = 6,754,054.63
5. Step 5: Solve for x
   x = 6,754,054.63/2,283.72
6. Step 6: Final answer
   x = 2,957.48