Finding the Fourth Proportional to 3,406.74, 5,111.55 and 1,459.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,406.74 : 5,111.55 = 1,459.86 : x
2. Step 2: Convert to fraction form
   3,406.74/5,111.55 = 1,459.86/x
3. Step 3: Cross multiply
   3,406.74x = 5,111.55 × 1,459.86
4. Step 4: Simplify right side
   3,406.74x = 7,462,147.38
5. Step 5: Solve for x
   x = 7,462,147.38/3,406.74
6. Step 6: Final answer
   x = 2,190.41