Finding the Fourth Proportional to 11,017.98, 15,197.30 and 7,037.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.98 : 15,197.30 = 7,037.31 : x
2. Step 2: Convert to fraction form
   11,017.98/15,197.30 = 7,037.31/x
3. Step 3: Cross multiply
   11,017.98x = 15,197.30 × 7,037.31
4. Step 4: Simplify right side
   11,017.98x = 106,948,076.08
5. Step 5: Solve for x
   x = 106,948,076.08/11,017.98
6. Step 6: Final answer
   x = 9,706.69