Finding the Fourth Proportional to 2,404.76, 3,607.67 and 761.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.76 : 3,607.67 = 761.15 : x
2. Step 2: Convert to fraction form
   2,404.76/3,607.67 = 761.15/x
3. Step 3: Cross multiply
   2,404.76x = 3,607.67 × 761.15
4. Step 4: Simplify right side
   2,404.76x = 2,745,988.94
5. Step 5: Solve for x
   x = 2,745,988.94/2,404.76
6. Step 6: Final answer
   x = 1,141.90