Finding the Fourth Proportional to 10,388.27, 14,335.89 and 5,912.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388.27 : 14,335.89 = 5,912.36 : x
2. Step 2: Convert to fraction form
   10,388.27/14,335.89 = 5,912.36/x
3. Step 3: Cross multiply
   10,388.27x = 14,335.89 × 5,912.36
4. Step 4: Simplify right side
   10,388.27x = 84,758,902.51
5. Step 5: Solve for x
   x = 84,758,902.51/10,388.27
6. Step 6: Final answer
   x = 8,159.10