Finding the Fourth Proportional to 9,623.54, 13,288.01 and 7,381.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.54 : 13,288.01 = 7,381.87 : x
2. Step 2: Convert to fraction form
   9,623.54/13,288.01 = 7,381.87/x
3. Step 3: Cross multiply
   9,623.54x = 13,288.01 × 7,381.87
4. Step 4: Simplify right side
   9,623.54x = 98,090,362.38
5. Step 5: Solve for x
   x = 98,090,362.38/9,623.54
6. Step 6: Final answer
   x = 10,192.75