Finding the Fourth Proportional to 2,525.16, 3,484.30 and 1,406.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.16 : 3,484.30 = 1,406.06 : x
2. Step 2: Convert to fraction form
   2,525.16/3,484.30 = 1,406.06/x
3. Step 3: Cross multiply
   2,525.16x = 3,484.30 × 1,406.06
4. Step 4: Simplify right side
   2,525.16x = 4,899,134.86
5. Step 5: Solve for x
   x = 4,899,134.86/2,525.16
6. Step 6: Final answer
   x = 1,940.13