Finding the Fourth Proportional to 2,100.42, 3,150.69 and 1,234.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.42 : 3,150.69 = 1,234.14 : x
2. Step 2: Convert to fraction form
   2,100.42/3,150.69 = 1,234.14/x
3. Step 3: Cross multiply
   2,100.42x = 3,150.69 × 1,234.14
4. Step 4: Simplify right side
   2,100.42x = 3,888,392.56
5. Step 5: Solve for x
   x = 3,888,392.56/2,100.42
6. Step 6: Final answer
   x = 1,851.25