Finding the Fourth Proportional to 9,302.72, 13,932.21 and 7,341.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,302.72 : 13,932.21 = 7,341.80 : x
2. Step 2: Convert to fraction form
   9,302.72/13,932.21 = 7,341.80/x
3. Step 3: Cross multiply
   9,302.72x = 13,932.21 × 7,341.80
4. Step 4: Simplify right side
   9,302.72x = 102,287,499.38
5. Step 5: Solve for x
   x = 102,287,499.38/9,302.72
6. Step 6: Final answer
   x = 10,995.44