Finding the Fourth Proportional to 2,435.46, 3,361.29 and 1,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.46 : 3,361.29 = 1,387.50 : x
2. Step 2: Convert to fraction form
   2,435.46/3,361.29 = 1,387.50/x
3. Step 3: Cross multiply
   2,435.46x = 3,361.29 × 1,387.50
4. Step 4: Simplify right side
   2,435.46x = 4,663,789.88
5. Step 5: Solve for x
   x = 4,663,789.88/2,435.46
6. Step 6: Final answer
   x = 1,914.95