Finding the Fourth Proportional to 9,243.66, 12,755.54 and 5,263.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.66 : 12,755.54 = 5,263.98 : x
2. Step 2: Convert to fraction form
   9,243.66/12,755.54 = 5,263.98/x
3. Step 3: Cross multiply
   9,243.66x = 12,755.54 × 5,263.98
4. Step 4: Simplify right side
   9,243.66x = 67,144,907.45
5. Step 5: Solve for x
   x = 67,144,907.45/9,243.66
6. Step 6: Final answer
   x = 7,263.89