Finding the Fourth Proportional to 129,734.72, 179,033.83 and 70,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   129,734.72 : 179,033.83 = 70,118.72 : x
2. Step 2: Convert to fraction form
   129,734.72/179,033.83 = 70,118.72/x
3. Step 3: Cross multiply
   129,734.72x = 179,033.83 × 70,118.72
4. Step 4: Simplify right side
   129,734.72x = 12,553,621,925.83
5. Step 5: Solve for x
   x = 12,553,621,925.83/129,734.72
6. Step 6: Final answer
   x = 96,763.78