Finding the Fourth Proportional to 2,525.39, 3,484.94 and 1,406.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.39 : 3,484.94 = 1,406.31 : x
2. Step 2: Convert to fraction form
   2,525.39/3,484.94 = 1,406.31/x
3. Step 3: Cross multiply
   2,525.39x = 3,484.94 × 1,406.31
4. Step 4: Simplify right side
   2,525.39x = 4,900,913.38
5. Step 5: Solve for x
   x = 4,900,913.38/2,525.39
6. Step 6: Final answer
   x = 1,940.65