Finding the Fourth Proportional to 81,980.97, 113,100.89 and 50,094.51

Step by Step Solution

1. Step 1: Write the proportion equation
   81,980.97 : 113,100.89 = 50,094.51 : x
2. Step 2: Convert to fraction form
   81,980.97/113,100.89 = 50,094.51/x
3. Step 3: Cross multiply
   81,980.97x = 113,100.89 × 50,094.51
4. Step 4: Simplify right side
   81,980.97x = 5,665,733,414.64
5. Step 5: Solve for x
   x = 5,665,733,414.64/81,980.97
6. Step 6: Final answer
   x = 69,110.35