Finding the Fourth Proportional to 2,361.39, 3,543.78 and 1,904.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,361.39 : 3,543.78 = 1,904.69 : x
2. Step 2: Convert to fraction form
   2,361.39/3,543.78 = 1,904.69/x
3. Step 3: Cross multiply
   2,361.39x = 3,543.78 × 1,904.69
4. Step 4: Simplify right side
   2,361.39x = 6,749,784.61
5. Step 5: Solve for x
   x = 6,749,784.61/2,361.39
6. Step 6: Final answer
   x = 2,858.39