Finding the Fourth Proportional to 23,111.10, 34,645.55 and 8,316.63

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.10 : 34,645.55 = 8,316.63 : x
2. Step 2: Convert to fraction form
   23,111.10/34,645.55 = 8,316.63/x
3. Step 3: Cross multiply
   23,111.10x = 34,645.55 × 8,316.63
4. Step 4: Simplify right side
   23,111.10x = 288,134,178.91
5. Step 5: Solve for x
   x = 288,134,178.91/23,111.10
6. Step 6: Final answer
   x = 12,467.35