Finding the Fourth Proportional to 12,159.29, 18,247.15 and 4,762.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,159.29 : 18,247.15 = 4,762.83 : x
2. Step 2: Convert to fraction form
   12,159.29/18,247.15 = 4,762.83/x
3. Step 3: Cross multiply
   12,159.29x = 18,247.15 × 4,762.83
4. Step 4: Simplify right side
   12,159.29x = 86,908,073.43
5. Step 5: Solve for x
   x = 86,908,073.43/12,159.29
6. Step 6: Final answer
   x = 7,147.46