Finding the Fourth Proportional to 2,492.76, 3,738.91 and 761.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.76 : 3,738.91 = 761.38 : x
2. Step 2: Convert to fraction form
   2,492.76/3,738.91 = 761.38/x
3. Step 3: Cross multiply
   2,492.76x = 3,738.91 × 761.38
4. Step 4: Simplify right side
   2,492.76x = 2,846,729.39
5. Step 5: Solve for x
   x = 2,846,729.39/2,492.76
6. Step 6: Final answer
   x = 1,142.00