Finding the Fourth Proportional to 11,643, 17,467.86 and 3,435

Step by Step Solution

1. Step 1: Write the proportion equation
   11,643 : 17,467.86 = 3,435 : x
2. Step 2: Convert to fraction form
   11,643/17,467.86 = 3,435/x
3. Step 3: Cross multiply
   11,643x = 17,467.86 × 3,435
4. Step 4: Simplify right side
   11,643x = 60,002,099.10
5. Step 5: Solve for x
   x = 60,002,099.10/11,643
6. Step 6: Final answer
   x = 5,153.49