Finding the Fourth Proportional to 107,427.72, 161,127 and 31,524.24

Step by Step Solution

1. Step 1: Write the proportion equation
   107,427.72 : 161,127 = 31,524.24 : x
2. Step 2: Convert to fraction form
   107,427.72/161,127 = 31,524.24/x
3. Step 3: Cross multiply
   107,427.72x = 161,127 × 31,524.24
4. Step 4: Simplify right side
   107,427.72x = 5,079,406,218.48
5. Step 5: Solve for x
   x = 5,079,406,218.48/107,427.72
6. Step 6: Final answer
   x = 47,282.08