Finding the Fourth Proportional to 71,931.33, 107,799.35 and 38,188.82

Step by Step Solution

1. Step 1: Write the proportion equation
   71,931.33 : 107,799.35 = 38,188.82 : x
2. Step 2: Convert to fraction form
   71,931.33/107,799.35 = 38,188.82/x
3. Step 3: Cross multiply
   71,931.33x = 107,799.35 × 38,188.82
4. Step 4: Simplify right side
   71,931.33x = 4,116,729,973.27
5. Step 5: Solve for x
   x = 4,116,729,973.27/71,931.33
6. Step 6: Final answer
   x = 57,231.39