Finding the Fourth Proportional to 81,938.88, 113,068.76 and 50,101.62

Step by Step Solution

1. Step 1: Write the proportion equation
   81,938.88 : 113,068.76 = 50,101.62 : x
2. Step 2: Convert to fraction form
   81,938.88/113,068.76 = 50,101.62/x
3. Step 3: Cross multiply
   81,938.88x = 113,068.76 × 50,101.62
4. Step 4: Simplify right side
   81,938.88x = 5,664,927,796.88
5. Step 5: Solve for x
   x = 5,664,927,796.88/81,938.88
6. Step 6: Final answer
   x = 69,136.02