Finding the Fourth Proportional to 9,102.22, 12,560.76 and 5,123.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,102.22 : 12,560.76 = 5,123.54 : x
2. Step 2: Convert to fraction form
   9,102.22/12,560.76 = 5,123.54/x
3. Step 3: Cross multiply
   9,102.22x = 12,560.76 × 5,123.54
4. Step 4: Simplify right side
   9,102.22x = 64,355,587.69
5. Step 5: Solve for x
   x = 64,355,587.69/9,102.22
6. Step 6: Final answer
   x = 7,070.32