Finding the Fourth Proportional to 81,929.88, 113,038.74 and 50,066.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,929.88 : 113,038.74 = 50,066.10 : x
2. Step 2: Convert to fraction form
   81,929.88/113,038.74 = 50,066.10/x
3. Step 3: Cross multiply
   81,929.88x = 113,038.74 × 50,066.10
4. Step 4: Simplify right side
   81,929.88x = 5,659,408,860.71
5. Step 5: Solve for x
   x = 5,659,408,860.71/81,929.88
6. Step 6: Final answer
   x = 69,076.25