Finding the Fourth Proportional to 17,023.30, 23,443.77 and 12,300.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,023.30 : 23,443.77 = 12,300.10 : x
2. Step 2: Convert to fraction form
   17,023.30/23,443.77 = 12,300.10/x
3. Step 3: Cross multiply
   17,023.30x = 23,443.77 × 12,300.10
4. Step 4: Simplify right side
   17,023.30x = 288,360,715.38
5. Step 5: Solve for x
   x = 288,360,715.38/17,023.30
6. Step 6: Final answer
   x = 16,939.18