Finding the Fourth Proportional to 12,500.33, 18,703.58 and 7,484.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,500.33 : 18,703.58 = 7,484.27 : x
2. Step 2: Convert to fraction form
   12,500.33/18,703.58 = 7,484.27/x
3. Step 3: Cross multiply
   12,500.33x = 18,703.58 × 7,484.27
4. Step 4: Simplify right side
   12,500.33x = 139,982,511.75
5. Step 5: Solve for x
   x = 139,982,511.75/12,500.33
6. Step 6: Final answer
   x = 11,198.31