Finding the Fourth Proportional to 81,979.47, 113,098.82 and 50,093.01

Step by Step Solution

1. Step 1: Write the proportion equation
   81,979.47 : 113,098.82 = 50,093.01 : x
2. Step 2: Convert to fraction form
   81,979.47/113,098.82 = 50,093.01/x
3. Step 3: Cross multiply
   81,979.47x = 113,098.82 × 50,093.01
4. Step 4: Simplify right side
   81,979.47x = 5,665,460,070.78
5. Step 5: Solve for x
   x = 5,665,460,070.78/81,979.47
6. Step 6: Final answer
   x = 69,108.28