Finding the Fourth Proportional to 107,447.56, 161,133.20 and 31,524.91

Step by Step Solution

1. Step 1: Write the proportion equation
   107,447.56 : 161,133.20 = 31,524.91 : x
2. Step 2: Convert to fraction form
   107,447.56/161,133.20 = 31,524.91/x
3. Step 3: Cross multiply
   107,447.56x = 161,133.20 × 31,524.91
4. Step 4: Simplify right side
   107,447.56x = 5,079,708,664.72
5. Step 5: Solve for x
   x = 5,079,708,664.72/107,447.56
6. Step 6: Final answer
   x = 47,276.17