Finding the Fourth Proportional to 2,492.51, 3,739.32 and 761.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.51 : 3,739.32 = 761.27 : x
2. Step 2: Convert to fraction form
   2,492.51/3,739.32 = 761.27/x
3. Step 3: Cross multiply
   2,492.51x = 3,739.32 × 761.27
4. Step 4: Simplify right side
   2,492.51x = 2,846,632.14
5. Step 5: Solve for x
   x = 2,846,632.14/2,492.51
6. Step 6: Final answer
   x = 1,142.07