Finding the Fourth Proportional to 73,100.69, 109,694.78 and 67,152.05

Step by Step Solution

1. Step 1: Write the proportion equation
   73,100.69 : 109,694.78 = 67,152.05 : x
2. Step 2: Convert to fraction form
   73,100.69/109,694.78 = 67,152.05/x
3. Step 3: Cross multiply
   73,100.69x = 109,694.78 × 67,152.05
4. Step 4: Simplify right side
   73,100.69x = 7,366,229,130.24
5. Step 5: Solve for x
   x = 7,366,229,130.24/73,100.69
6. Step 6: Final answer
   x = 100,768.26