Finding the Fourth Proportional to 9,472.50, 14,215.32 and 3,316.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,472.50 : 14,215.32 = 3,316.50 : x
2. Step 2: Convert to fraction form
   9,472.50/14,215.32 = 3,316.50/x
3. Step 3: Cross multiply
   9,472.50x = 14,215.32 × 3,316.50
4. Step 4: Simplify right side
   9,472.50x = 47,145,108.78
5. Step 5: Solve for x
   x = 47,145,108.78/9,472.50
6. Step 6: Final answer
   x = 4,977.05