Finding the Fourth Proportional to 2,142.72, 2,953.98 and 2,096.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.72 : 2,953.98 = 2,096.15 : x
2. Step 2: Convert to fraction form
   2,142.72/2,953.98 = 2,096.15/x
3. Step 3: Cross multiply
   2,142.72x = 2,953.98 × 2,096.15
4. Step 4: Simplify right side
   2,142.72x = 6,191,970.41
5. Step 5: Solve for x
   x = 6,191,970.41/2,142.72
6. Step 6: Final answer
   x = 2,889.77