Finding the Fourth Proportional to 2,515.74, 3,471.83 and 1,381.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.74 : 3,471.83 = 1,381.46 : x
2. Step 2: Convert to fraction form
   2,515.74/3,471.83 = 1,381.46/x
3. Step 3: Cross multiply
   2,515.74x = 3,471.83 × 1,381.46
4. Step 4: Simplify right side
   2,515.74x = 4,796,175.19
5. Step 5: Solve for x
   x = 4,796,175.19/2,515.74
6. Step 6: Final answer
   x = 1,906.47