Finding the Fourth Proportional to 102,845.98, 154,019.94 and 71,167.24

Step by Step Solution

1. Step 1: Write the proportion equation
   102,845.98 : 154,019.94 = 71,167.24 : x
2. Step 2: Convert to fraction form
   102,845.98/154,019.94 = 71,167.24/x
3. Step 3: Cross multiply
   102,845.98x = 154,019.94 × 71,167.24
4. Step 4: Simplify right side
   102,845.98x = 10,961,174,034.77
5. Step 5: Solve for x
   x = 10,961,174,034.77/102,845.98
6. Step 6: Final answer
   x = 106,578.54