Finding the Fourth Proportional to 20,697.50, 31,050.83 and 7,549.83

Step by Step Solution

1. Step 1: Write the proportion equation
   20,697.50 : 31,050.83 = 7,549.83 : x
2. Step 2: Convert to fraction form
   20,697.50/31,050.83 = 7,549.83/x
3. Step 3: Cross multiply
   20,697.50x = 31,050.83 × 7,549.83
4. Step 4: Simplify right side
   20,697.50x = 234,428,506.73
5. Step 5: Solve for x
   x = 234,428,506.73/20,697.50
6. Step 6: Final answer
   x = 11,326.42