Finding the Fourth Proportional to 79,123.86, 109,192.20 and 43,313.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,123.86 : 109,192.20 = 43,313.25 : x
2. Step 2: Convert to fraction form
   79,123.86/109,192.20 = 43,313.25/x
3. Step 3: Cross multiply
   79,123.86x = 109,192.20 × 43,313.25
4. Step 4: Simplify right side
   79,123.86x = 4,729,469,056.65
5. Step 5: Solve for x
   x = 4,729,469,056.65/79,123.86
6. Step 6: Final answer
   x = 59,772.98