Finding the Fourth Proportional to 23,139.30, 34,701.77 and 8,346.29

Step by Step Solution

1. Step 1: Write the proportion equation
   23,139.30 : 34,701.77 = 8,346.29 : x
2. Step 2: Convert to fraction form
   23,139.30/34,701.77 = 8,346.29/x
3. Step 3: Cross multiply
   23,139.30x = 34,701.77 × 8,346.29
4. Step 4: Simplify right side
   23,139.30x = 289,630,820.69
5. Step 5: Solve for x
   x = 289,630,820.69/23,139.30
6. Step 6: Final answer
   x = 12,516.84