Finding the Fourth Proportional to 20,619.67, 30,932.55 and 7,468.98

Step by Step Solution

1. Step 1: Write the proportion equation
   20,619.67 : 30,932.55 = 7,468.98 : x
2. Step 2: Convert to fraction form
   20,619.67/30,932.55 = 7,468.98/x
3. Step 3: Cross multiply
   20,619.67x = 30,932.55 × 7,468.98
4. Step 4: Simplify right side
   20,619.67x = 231,034,597.30
5. Step 5: Solve for x
   x = 231,034,597.30/20,619.67
6. Step 6: Final answer
   x = 11,204.57