Finding the Fourth Proportional to 2,321.34, 3,481.86 and 761.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.34 : 3,481.86 = 761.02 : x
2. Step 2: Convert to fraction form
   2,321.34/3,481.86 = 761.02/x
3. Step 3: Cross multiply
   2,321.34x = 3,481.86 × 761.02
4. Step 4: Simplify right side
   2,321.34x = 2,649,765.10
5. Step 5: Solve for x
   x = 2,649,765.10/2,321.34
6. Step 6: Final answer
   x = 1,141.48