Finding the Fourth Proportional to 81,916.52, 113,053.32 and 50,106.60

Step by Step Solution

1. Step 1: Write the proportion equation
   81,916.52 : 113,053.32 = 50,106.60 : x
2. Step 2: Convert to fraction form
   81,916.52/113,053.32 = 50,106.60/x
3. Step 3: Cross multiply
   81,916.52x = 113,053.32 × 50,106.60
4. Step 4: Simplify right side
   81,916.52x = 5,664,717,483.91
5. Step 5: Solve for x
   x = 5,664,717,483.91/81,916.52
6. Step 6: Final answer
   x = 69,152.33