Finding the Fourth Proportional to 2,525.12, 3,484.76 and 1,406.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.12 : 3,484.76 = 1,406.10 : x
2. Step 2: Convert to fraction form
   2,525.12/3,484.76 = 1,406.10/x
3. Step 3: Cross multiply
   2,525.12x = 3,484.76 × 1,406.10
4. Step 4: Simplify right side
   2,525.12x = 4,899,921.04
5. Step 5: Solve for x
   x = 4,899,921.04/2,525.12
6. Step 6: Final answer
   x = 1,940.47