Finding the Fourth Proportional to 9,431.02, 14,146.17 and 3,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,431.02 : 14,146.17 = 3,191.50 : x
2. Step 2: Convert to fraction form
   9,431.02/14,146.17 = 3,191.50/x
3. Step 3: Cross multiply
   9,431.02x = 14,146.17 × 3,191.50
4. Step 4: Simplify right side
   9,431.02x = 45,147,501.56
5. Step 5: Solve for x
   x = 45,147,501.56/9,431.02
6. Step 6: Final answer
   x = 4,787.13