Finding the Fourth Proportional to 2,429.50, 3,352.72 and 1,381.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.50 : 3,352.72 = 1,381.56 : x
2. Step 2: Convert to fraction form
   2,429.50/3,352.72 = 1,381.56/x
3. Step 3: Cross multiply
   2,429.50x = 3,352.72 × 1,381.56
4. Step 4: Simplify right side
   2,429.50x = 4,631,983.84
5. Step 5: Solve for x
   x = 4,631,983.84/2,429.50
6. Step 6: Final answer
   x = 1,906.56