Finding the Fourth Proportional to 23,541.88, 35,321.98 and 10,385

Step by Step Solution

1. Step 1: Write the proportion equation
   23,541.88 : 35,321.98 = 10,385 : x
2. Step 2: Convert to fraction form
   23,541.88/35,321.98 = 10,385/x
3. Step 3: Cross multiply
   23,541.88x = 35,321.98 × 10,385
4. Step 4: Simplify right side
   23,541.88x = 366,818,762.30
5. Step 5: Solve for x
   x = 366,818,762.30/23,541.88
6. Step 6: Final answer
   x = 15,581.54