Finding the Fourth Proportional to 7,978.76, 11,968.04 and 3,593.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,978.76 : 11,968.04 = 3,593.10 : x
2. Step 2: Convert to fraction form
   7,978.76/11,968.04 = 3,593.10/x
3. Step 3: Cross multiply
   7,978.76x = 11,968.04 × 3,593.10
4. Step 4: Simplify right side
   7,978.76x = 43,002,364.52
5. Step 5: Solve for x
   x = 43,002,364.52/7,978.76
6. Step 6: Final answer
   x = 5,389.60