Finding the Fourth Proportional to 9,918.36, 14,857.29 and 5,538.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,918.36 : 14,857.29 = 5,538.15 : x
2. Step 2: Convert to fraction form
   9,918.36/14,857.29 = 5,538.15/x
3. Step 3: Cross multiply
   9,918.36x = 14,857.29 × 5,538.15
4. Step 4: Simplify right side
   9,918.36x = 82,281,900.61
5. Step 5: Solve for x
   x = 82,281,900.61/9,918.36
6. Step 6: Final answer
   x = 8,295.92