Finding the Fourth Proportional to 109,657.73, 164,461.98 and 50,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,657.73 : 164,461.98 = 50,436.50 : x
2. Step 2: Convert to fraction form
   109,657.73/164,461.98 = 50,436.50/x
3. Step 3: Cross multiply
   109,657.73x = 164,461.98 × 50,436.50
4. Step 4: Simplify right side
   109,657.73x = 8,294,886,654.27
5. Step 5: Solve for x
   x = 8,294,886,654.27/109,657.73
6. Step 6: Final answer
   x = 75,643.43