Finding the Fourth Proportional to 8,196.80, 11,312.61 and 4,659.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.80 : 11,312.61 = 4,659.32 : x
2. Step 2: Convert to fraction form
   8,196.80/11,312.61 = 4,659.32/x
3. Step 3: Cross multiply
   8,196.80x = 11,312.61 × 4,659.32
4. Step 4: Simplify right side
   8,196.80x = 52,709,107.04
5. Step 5: Solve for x
   x = 52,709,107.04/8,196.80
6. Step 6: Final answer
   x = 6,430.45