Finding the Fourth Proportional to 3,426.30, 5,139.99 and 1,451.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426.30 : 5,139.99 = 1,451.93 : x
2. Step 2: Convert to fraction form
   3,426.30/5,139.99 = 1,451.93/x
3. Step 3: Cross multiply
   3,426.30x = 5,139.99 × 1,451.93
4. Step 4: Simplify right side
   3,426.30x = 7,462,898.42
5. Step 5: Solve for x
   x = 7,462,898.42/3,426.30
6. Step 6: Final answer
   x = 2,178.12