Finding the Fourth Proportional to 109,807.76, 163,298.98 and 106,308.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,807.76 : 163,298.98 = 106,308.56 : x
2. Step 2: Convert to fraction form
   109,807.76/163,298.98 = 106,308.56/x
3. Step 3: Cross multiply
   109,807.76x = 163,298.98 × 106,308.56
4. Step 4: Simplify right side
   109,807.76x = 17,360,079,413.27
5. Step 5: Solve for x
   x = 17,360,079,413.27/109,807.76
6. Step 6: Final answer
   x = 158,095.20