Finding the Fourth Proportional to 9,623.67, 13,288.17 and 7,381.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.67 : 13,288.17 = 7,381.98 : x
2. Step 2: Convert to fraction form
   9,623.67/13,288.17 = 7,381.98/x
3. Step 3: Cross multiply
   9,623.67x = 13,288.17 × 7,381.98
4. Step 4: Simplify right side
   9,623.67x = 98,093,005.18
5. Step 5: Solve for x
   x = 98,093,005.18/9,623.67
6. Step 6: Final answer
   x = 10,192.89