Finding the Fourth Proportional to 9,850.50, 14,779.80 and 7,231.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,850.50 : 14,779.80 = 7,231.37 : x
2. Step 2: Convert to fraction form
   9,850.50/14,779.80 = 7,231.37/x
3. Step 3: Cross multiply
   9,850.50x = 14,779.80 × 7,231.37
4. Step 4: Simplify right side
   9,850.50x = 106,878,128.43
5. Step 5: Solve for x
   x = 106,878,128.43/9,850.50
6. Step 6: Final answer
   x = 10,850.02