Finding the Fourth Proportional to 13,818.50, 19,062.96 and 9,343.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,818.50 : 19,062.96 = 9,343.82 : x
2. Step 2: Convert to fraction form
   13,818.50/19,062.96 = 9,343.82/x
3. Step 3: Cross multiply
   13,818.50x = 19,062.96 × 9,343.82
4. Step 4: Simplify right side
   13,818.50x = 178,120,866.91
5. Step 5: Solve for x
   x = 178,120,866.91/13,818.50
6. Step 6: Final answer
   x = 12,890.03