Finding the Fourth Proportional to 2,525.85, 3,485.69 and 1,406.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.85 : 3,485.69 = 1,406.79 : x
2. Step 2: Convert to fraction form
   2,525.85/3,485.69 = 1,406.79/x
3. Step 3: Cross multiply
   2,525.85x = 3,485.69 × 1,406.79
4. Step 4: Simplify right side
   2,525.85x = 4,903,649.10
5. Step 5: Solve for x
   x = 4,903,649.10/2,525.85
6. Step 6: Final answer
   x = 1,941.38