Finding the Fourth Proportional to 2,490.76, 3,736.69 and 759.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.76 : 3,736.69 = 759.52 : x
2. Step 2: Convert to fraction form
   2,490.76/3,736.69 = 759.52/x
3. Step 3: Cross multiply
   2,490.76x = 3,736.69 × 759.52
4. Step 4: Simplify right side
   2,490.76x = 2,838,090.79
5. Step 5: Solve for x
   x = 2,838,090.79/2,490.76
6. Step 6: Final answer
   x = 1,139.45