Finding the Fourth Proportional to 2,604.13, 3,905.07 and 754.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.13 : 3,905.07 = 754.81 : x
2. Step 2: Convert to fraction form
   2,604.13/3,905.07 = 754.81/x
3. Step 3: Cross multiply
   2,604.13x = 3,905.07 × 754.81
4. Step 4: Simplify right side
   2,604.13x = 2,947,585.89
5. Step 5: Solve for x
   x = 2,947,585.89/2,604.13
6. Step 6: Final answer
   x = 1,131.89