Finding the Fourth Proportional to 23,106.57, 34,664.13 and 7,315.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,106.57 : 34,664.13 = 7,315.58 : x
2. Step 2: Convert to fraction form
   23,106.57/34,664.13 = 7,315.58/x
3. Step 3: Cross multiply
   23,106.57x = 34,664.13 × 7,315.58
4. Step 4: Simplify right side
   23,106.57x = 253,588,042.82
5. Step 5: Solve for x
   x = 253,588,042.82/23,106.57
6. Step 6: Final answer
   x = 10,974.72