Finding the Fourth Proportional to 11,978.31, 16,545.09 and 10,096.14

Step by Step Solution

1. Step 1: Write the proportion equation
   11,978.31 : 16,545.09 = 10,096.14 : x
2. Step 2: Convert to fraction form
   11,978.31/16,545.09 = 10,096.14/x
3. Step 3: Cross multiply
   11,978.31x = 16,545.09 × 10,096.14
4. Step 4: Simplify right side
   11,978.31x = 167,041,544.95
5. Step 5: Solve for x
   x = 167,041,544.95/11,978.31
6. Step 6: Final answer
   x = 13,945.33