Finding the Fourth Proportional to 2,525.31, 3,484.56 and 1,406.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.31 : 3,484.56 = 1,406.10 : x
2. Step 2: Convert to fraction form
   2,525.31/3,484.56 = 1,406.10/x
3. Step 3: Cross multiply
   2,525.31x = 3,484.56 × 1,406.10
4. Step 4: Simplify right side
   2,525.31x = 4,899,639.82
5. Step 5: Solve for x
   x = 4,899,639.82/2,525.31
6. Step 6: Final answer
   x = 1,940.21