Finding the Fourth Proportional to 12,488.91, 17,222.98 and 8,014.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,488.91 : 17,222.98 = 8,014.07 : x
2. Step 2: Convert to fraction form
   12,488.91/17,222.98 = 8,014.07/x
3. Step 3: Cross multiply
   12,488.91x = 17,222.98 × 8,014.07
4. Step 4: Simplify right side
   12,488.91x = 138,026,167.33
5. Step 5: Solve for x
   x = 138,026,167.33/12,488.91
6. Step 6: Final answer
   x = 11,051.90