Finding the Fourth Proportional to 13,034.88, 17,981.46 and 8,314.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,034.88 : 17,981.46 = 8,314.20 : x
2. Step 2: Convert to fraction form
   13,034.88/17,981.46 = 8,314.20/x
3. Step 3: Cross multiply
   13,034.88x = 17,981.46 × 8,314.20
4. Step 4: Simplify right side
   13,034.88x = 149,501,454.73
5. Step 5: Solve for x
   x = 149,501,454.73/13,034.88
6. Step 6: Final answer
   x = 11,469.34