Finding the Fourth Proportional to 2,100.41, 3,149.57 and 784.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.41 : 3,149.57 = 784.10 : x
2. Step 2: Convert to fraction form
   2,100.41/3,149.57 = 784.10/x
3. Step 3: Cross multiply
   2,100.41x = 3,149.57 × 784.10
4. Step 4: Simplify right side
   2,100.41x = 2,469,558.17
5. Step 5: Solve for x
   x = 2,469,558.17/2,100.41
6. Step 6: Final answer
   x = 1,175.75