Finding the Fourth Proportional to 10,697.90, 16,041.12 and 3,579

Step by Step Solution

1. Step 1: Write the proportion equation
   10,697.90 : 16,041.12 = 3,579 : x
2. Step 2: Convert to fraction form
   10,697.90/16,041.12 = 3,579/x
3. Step 3: Cross multiply
   10,697.90x = 16,041.12 × 3,579
4. Step 4: Simplify right side
   10,697.90x = 57,411,168.48
5. Step 5: Solve for x
   x = 57,411,168.48/10,697.90
6. Step 6: Final answer
   x = 5,366.59