Finding the Fourth Proportional to 7,319.00, 10,978.50 and 3,426.14

Step by Step Solution

1. Step 1: Write the proportion equation
   7,319.00 : 10,978.50 = 3,426.14 : x
2. Step 2: Convert to fraction form
   7,319.00/10,978.50 = 3,426.14/x
3. Step 3: Cross multiply
   7,319.00x = 10,978.50 × 3,426.14
4. Step 4: Simplify right side
   7,319.00x = 37,613,823.10
5. Step 5: Solve for x
   x = 37,613,823.10/7,319.00
6. Step 6: Final answer
   x = 5,139.21