Finding the Fourth Proportional to 129,783, 179,100.72 and 70,167

Step by Step Solution

1. Step 1: Write the proportion equation
   129,783 : 179,100.72 = 70,167 : x
2. Step 2: Convert to fraction form
   129,783/179,100.72 = 70,167/x
3. Step 3: Cross multiply
   129,783x = 179,100.72 × 70,167
4. Step 4: Simplify right side
   129,783x = 12,566,960,220.24
5. Step 5: Solve for x
   x = 12,566,960,220.24/129,783
6. Step 6: Final answer
   x = 96,830.56