Finding the Fourth Proportional to 9,691.16, 14,527.50 and 3,112.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,691.16 : 14,527.50 = 3,112.73 : x
2. Step 2: Convert to fraction form
   9,691.16/14,527.50 = 3,112.73/x
3. Step 3: Cross multiply
   9,691.16x = 14,527.50 × 3,112.73
4. Step 4: Simplify right side
   9,691.16x = 45,220,131.89
5. Step 5: Solve for x
   x = 45,220,131.89/9,691.16
6. Step 6: Final answer
   x = 4,666.12