Finding the Fourth Proportional to 9,103.23, 12,561.48 and 5,124.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.23 : 12,561.48 = 5,124.27 : x
2. Step 2: Convert to fraction form
   9,103.23/12,561.48 = 5,124.27/x
3. Step 3: Cross multiply
   9,103.23x = 12,561.48 × 5,124.27
4. Step 4: Simplify right side
   9,103.23x = 64,368,415.12
5. Step 5: Solve for x
   x = 64,368,415.12/9,103.23
6. Step 6: Final answer
   x = 7,070.94