Finding the Fourth Proportional to 27,105.23, 37,406.78 and 15,168.45

Step by Step Solution

1. Step 1: Write the proportion equation
   27,105.23 : 37,406.78 = 15,168.45 : x
2. Step 2: Convert to fraction form
   27,105.23/37,406.78 = 15,168.45/x
3. Step 3: Cross multiply
   27,105.23x = 37,406.78 × 15,168.45
4. Step 4: Simplify right side
   27,105.23x = 567,402,796.25
5. Step 5: Solve for x
   x = 567,402,796.25/27,105.23
6. Step 6: Final answer
   x = 20,933.34