Finding the Fourth Proportional to 2,524.47, 3,483.78 and 1,405.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,524.47 : 3,483.78 = 1,405.41 : x
2. Step 2: Convert to fraction form
   2,524.47/3,483.78 = 1,405.41/x
3. Step 3: Cross multiply
   2,524.47x = 3,483.78 × 1,405.41
4. Step 4: Simplify right side
   2,524.47x = 4,896,135.81
5. Step 5: Solve for x
   x = 4,896,135.81/2,524.47
6. Step 6: Final answer
   x = 1,939.47