Finding the Fourth Proportional to 12,490.89, 17,237.52 and 8,014.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,490.89 : 17,237.52 = 8,014.72 : x
2. Step 2: Convert to fraction form
   12,490.89/17,237.52 = 8,014.72/x
3. Step 3: Cross multiply
   12,490.89x = 17,237.52 × 8,014.72
4. Step 4: Simplify right side
   12,490.89x = 138,153,896.29
5. Step 5: Solve for x
   x = 138,153,896.29/12,490.89
6. Step 6: Final answer
   x = 11,060.37