Finding the Fourth Proportional to 2,429.06, 3,351.27 and 1,380.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.06 : 3,351.27 = 1,380.86 : x
2. Step 2: Convert to fraction form
   2,429.06/3,351.27 = 1,380.86/x
3. Step 3: Cross multiply
   2,429.06x = 3,351.27 × 1,380.86
4. Step 4: Simplify right side
   2,429.06x = 4,627,634.69
5. Step 5: Solve for x
   x = 4,627,634.69/2,429.06
6. Step 6: Final answer
   x = 1,905.11