Finding the Fourth Proportional to 81,953.83, 113,076.16 and 50,111.11

Step by Step Solution

1. Step 1: Write the proportion equation
   81,953.83 : 113,076.16 = 50,111.11 : x
2. Step 2: Convert to fraction form
   81,953.83/113,076.16 = 50,111.11/x
3. Step 3: Cross multiply
   81,953.83x = 113,076.16 × 50,111.11
4. Step 4: Simplify right side
   81,953.83x = 5,666,371,892.14
5. Step 5: Solve for x
   x = 5,666,371,892.14/81,953.83
6. Step 6: Final answer
   x = 69,141.03