Finding the Fourth Proportional to 2,524.67, 3,483.95 and 1,405.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,524.67 : 3,483.95 = 1,405.57 : x
2. Step 2: Convert to fraction form
   2,524.67/3,483.95 = 1,405.57/x
3. Step 3: Cross multiply
   2,524.67x = 3,483.95 × 1,405.57
4. Step 4: Simplify right side
   2,524.67x = 4,896,928.57
5. Step 5: Solve for x
   x = 4,896,928.57/2,524.67
6. Step 6: Final answer
   x = 1,939.63