Finding the Fourth Proportional to 110,906.07, 153,055.94 and 67,872.05

Step by Step Solution

1. Step 1: Write the proportion equation
   110,906.07 : 153,055.94 = 67,872.05 : x
2. Step 2: Convert to fraction form
   110,906.07/153,055.94 = 67,872.05/x
3. Step 3: Cross multiply
   110,906.07x = 153,055.94 × 67,872.05
4. Step 4: Simplify right side
   110,906.07x = 10,388,220,412.48
5. Step 5: Solve for x
   x = 10,388,220,412.48/110,906.07
6. Step 6: Final answer
   x = 93,666.83