Finding the Fourth Proportional to 79,722.96, 109,976.52 and 51,383.76

Step by Step Solution

1. Step 1: Write the proportion equation
   79,722.96 : 109,976.52 = 51,383.76 : x
2. Step 2: Convert to fraction form
   79,722.96/109,976.52 = 51,383.76/x
3. Step 3: Cross multiply
   79,722.96x = 109,976.52 × 51,383.76
4. Step 4: Simplify right side
   79,722.96x = 5,651,007,109.32
5. Step 5: Solve for x
   x = 5,651,007,109.32/79,722.96
6. Step 6: Final answer
   x = 70,883.06