Finding the Fourth Proportional to 12,327.80, 18,499.59 and 4,536

Step by Step Solution

1. Step 1: Write the proportion equation
   12,327.80 : 18,499.59 = 4,536 : x
2. Step 2: Convert to fraction form
   12,327.80/18,499.59 = 4,536/x
3. Step 3: Cross multiply
   12,327.80x = 18,499.59 × 4,536
4. Step 4: Simplify right side
   12,327.80x = 83,914,140.24
5. Step 5: Solve for x
   x = 83,914,140.24/12,327.80
6. Step 6: Final answer
   x = 6,806.91