Finding the Fourth Proportional to 2,525.15, 3,484.62 and 1,406.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.15 : 3,484.62 = 1,406.05 : x
2. Step 2: Convert to fraction form
   2,525.15/3,484.62 = 1,406.05/x
3. Step 3: Cross multiply
   2,525.15x = 3,484.62 × 1,406.05
4. Step 4: Simplify right side
   2,525.15x = 4,899,549.95
5. Step 5: Solve for x
   x = 4,899,549.95/2,525.15
6. Step 6: Final answer
   x = 1,940.30