Finding the Fourth Proportional to 9,103.72, 12,562.44 and 5,124.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.72 : 12,562.44 = 5,124.08 : x
2. Step 2: Convert to fraction form
   9,103.72/12,562.44 = 5,124.08/x
3. Step 3: Cross multiply
   9,103.72x = 12,562.44 × 5,124.08
4. Step 4: Simplify right side
   9,103.72x = 64,370,947.56
5. Step 5: Solve for x
   x = 64,370,947.56/9,103.72
6. Step 6: Final answer
   x = 7,070.84