Finding the Fourth Proportional to 109,194.89, 163,675.69 and 77,935.37

Step by Step Solution

1. Step 1: Write the proportion equation
   109,194.89 : 163,675.69 = 77,935.37 : x
2. Step 2: Convert to fraction form
   109,194.89/163,675.69 = 77,935.37/x
3. Step 3: Cross multiply
   109,194.89x = 163,675.69 × 77,935.37
4. Step 4: Simplify right side
   109,194.89x = 12,756,124,446.94
5. Step 5: Solve for x
   x = 12,756,124,446.94/109,194.89
6. Step 6: Final answer
   x = 116,819.80