Finding the Fourth Proportional to 9,018.63, 12,447.32 and 5,243.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.63 : 12,447.32 = 5,243.00 : x
2. Step 2: Convert to fraction form
   9,018.63/12,447.32 = 5,243.00/x
3. Step 3: Cross multiply
   9,018.63x = 12,447.32 × 5,243.00
4. Step 4: Simplify right side
   9,018.63x = 65,261,210.31
5. Step 5: Solve for x
   x = 65,261,210.31/9,018.63
6. Step 6: Final answer
   x = 7,236.27