Finding the Fourth Proportional to 2,407.02, 3,610.83 and 762.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.02 : 3,610.83 = 762.98 : x
2. Step 2: Convert to fraction form
   2,407.02/3,610.83 = 762.98/x
3. Step 3: Cross multiply
   2,407.02x = 3,610.83 × 762.98
4. Step 4: Simplify right side
   2,407.02x = 2,754,971.59
5. Step 5: Solve for x
   x = 2,754,971.59/2,407.02
6. Step 6: Final answer
   x = 1,144.56