Finding the Fourth Proportional to 111,072.69, 153,218.03 and 68,073.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,072.69 : 153,218.03 = 68,073.02 : x
2. Step 2: Convert to fraction form
   111,072.69/153,218.03 = 68,073.02/x
3. Step 3: Cross multiply
   111,072.69x = 153,218.03 × 68,073.02
4. Step 4: Simplify right side
   111,072.69x = 10,430,012,914.10
5. Step 5: Solve for x
   x = 10,430,012,914.10/111,072.69
6. Step 6: Final answer
   x = 93,902.59