Finding the Fourth Proportional to 10,931.90, 16,398.37 and 3,536.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,931.90 : 16,398.37 = 3,536.94 : x
2. Step 2: Convert to fraction form
   10,931.90/16,398.37 = 3,536.94/x
3. Step 3: Cross multiply
   10,931.90x = 16,398.37 × 3,536.94
4. Step 4: Simplify right side
   10,931.90x = 58,000,033.10
5. Step 5: Solve for x
   x = 58,000,033.10/10,931.90
6. Step 6: Final answer
   x = 5,305.58