Finding the Fourth Proportional to 72,938, 100,654.52 and 39,404

Step by Step Solution

1. Step 1: Write the proportion equation
   72,938 : 100,654.52 = 39,404 : x
2. Step 2: Convert to fraction form
   72,938/100,654.52 = 39,404/x
3. Step 3: Cross multiply
   72,938x = 100,654.52 × 39,404
4. Step 4: Simplify right side
   72,938x = 3,966,190,706.08
5. Step 5: Solve for x
   x = 3,966,190,706.08/72,938
6. Step 6: Final answer
   x = 54,377.56