Finding the Fourth Proportional to 109,047.69, 163,309.05 and 73,880.73

Step by Step Solution

1. Step 1: Write the proportion equation
   109,047.69 : 163,309.05 = 73,880.73 : x
2. Step 2: Convert to fraction form
   109,047.69/163,309.05 = 73,880.73/x
3. Step 3: Cross multiply
   109,047.69x = 163,309.05 × 73,880.73
4. Step 4: Simplify right side
   109,047.69x = 12,065,391,829.61
5. Step 5: Solve for x
   x = 12,065,391,829.61/109,047.69
6. Step 6: Final answer
   x = 110,643.26