Finding the Fourth Proportional to 67,981.33, 101,885.73 and 38,415.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,981.33 : 101,885.73 = 38,415.72 : x
2. Step 2: Convert to fraction form
   67,981.33/101,885.73 = 38,415.72/x
3. Step 3: Cross multiply
   67,981.33x = 101,885.73 × 38,415.72
4. Step 4: Simplify right side
   67,981.33x = 3,914,013,531.62
5. Step 5: Solve for x
   x = 3,914,013,531.62/67,981.33
6. Step 6: Final answer
   x = 57,574.83