Finding the Fourth Proportional to 9,102.39, 12,562.50 and 5,124.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,102.39 : 12,562.50 = 5,124.27 : x
2. Step 2: Convert to fraction form
   9,102.39/12,562.50 = 5,124.27/x
3. Step 3: Cross multiply
   9,102.39x = 12,562.50 × 5,124.27
4. Step 4: Simplify right side
   9,102.39x = 64,373,641.88
5. Step 5: Solve for x
   x = 64,373,641.88/9,102.39
6. Step 6: Final answer
   x = 7,072.17