Finding the Fourth Proportional to 9,101.23, 12,558.72 and 5,122.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,101.23 : 12,558.72 = 5,122.27 : x
2. Step 2: Convert to fraction form
   9,101.23/12,558.72 = 5,122.27/x
3. Step 3: Cross multiply
   9,101.23x = 12,558.72 × 5,122.27
4. Step 4: Simplify right side
   9,101.23x = 64,329,154.69
5. Step 5: Solve for x
   x = 64,329,154.69/9,101.23
6. Step 6: Final answer
   x = 7,068.18