Finding the Fourth Proportional to 2,123.78, 2,927.72 and 1,492.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.78 : 2,927.72 = 1,492.41 : x
2. Step 2: Convert to fraction form
   2,123.78/2,927.72 = 1,492.41/x
3. Step 3: Cross multiply
   2,123.78x = 2,927.72 × 1,492.41
4. Step 4: Simplify right side
   2,123.78x = 4,369,351.14
5. Step 5: Solve for x
   x = 4,369,351.14/2,123.78
6. Step 6: Final answer
   x = 2,057.35