Finding the Fourth Proportional to 10,866.09, 14,998.19 and 10,127.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866.09 : 14,998.19 = 10,127.37 : x
2. Step 2: Convert to fraction form
   10,866.09/14,998.19 = 10,127.37/x
3. Step 3: Cross multiply
   10,866.09x = 14,998.19 × 10,127.37
4. Step 4: Simplify right side
   10,866.09x = 151,892,168.82
5. Step 5: Solve for x
   x = 151,892,168.82/10,866.09
6. Step 6: Final answer
   x = 13,978.55