Finding the Fourth Proportional to 13,981.15, 19,294.79 and 8,013.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,981.15 : 19,294.79 = 8,013.82 : x
2. Step 2: Convert to fraction form
   13,981.15/19,294.79 = 8,013.82/x
3. Step 3: Cross multiply
   13,981.15x = 19,294.79 × 8,013.82
4. Step 4: Simplify right side
   13,981.15x = 154,624,877.52
5. Step 5: Solve for x
   x = 154,624,877.52/13,981.15
6. Step 6: Final answer
   x = 11,059.52