Finding the Fourth Proportional to 12,573.72, 17,337.42 and 8,030.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,573.72 : 17,337.42 = 8,030.28 : x
2. Step 2: Convert to fraction form
   12,573.72/17,337.42 = 8,030.28/x
3. Step 3: Cross multiply
   12,573.72x = 17,337.42 × 8,030.28
4. Step 4: Simplify right side
   12,573.72x = 139,224,337.08
5. Step 5: Solve for x
   x = 139,224,337.08/12,573.72
6. Step 6: Final answer
   x = 11,072.64