Finding the Fourth Proportional to 2,525.61, 3,485.56 and 1,406.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.61 : 3,485.56 = 1,406.76 : x
2. Step 2: Convert to fraction form
   2,525.61/3,485.56 = 1,406.76/x
3. Step 3: Cross multiply
   2,525.61x = 3,485.56 × 1,406.76
4. Step 4: Simplify right side
   2,525.61x = 4,903,346.39
5. Step 5: Solve for x
   x = 4,903,346.39/2,525.61
6. Step 6: Final answer
   x = 1,941.45