Finding the Fourth Proportional to 109,766.61, 164,724.71 and 50,602.77

Step by Step Solution

1. Step 1: Write the proportion equation
   109,766.61 : 164,724.71 = 50,602.77 : x
2. Step 2: Convert to fraction form
   109,766.61/164,724.71 = 50,602.77/x
3. Step 3: Cross multiply
   109,766.61x = 164,724.71 × 50,602.77
4. Step 4: Simplify right side
   109,766.61x = 8,335,526,360.43
5. Step 5: Solve for x
   x = 8,335,526,360.43/109,766.61
6. Step 6: Final answer
   x = 75,938.63