Finding the Fourth Proportional to 2,404.98, 3,607.65 and 761.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.98 : 3,607.65 = 761.61 : x
2. Step 2: Convert to fraction form
   2,404.98/3,607.65 = 761.61/x
3. Step 3: Cross multiply
   2,404.98x = 3,607.65 × 761.61
4. Step 4: Simplify right side
   2,404.98x = 2,747,622.32
5. Step 5: Solve for x
   x = 2,747,622.32/2,404.98
6. Step 6: Final answer
   x = 1,142.47