Finding the Fourth Proportional to 151,868.38, 209,578.37 and 84,800.38

Step by Step Solution

1. Step 1: Write the proportion equation
   151,868.38 : 209,578.37 = 84,800.38 : x
2. Step 2: Convert to fraction form
   151,868.38/209,578.37 = 84,800.38/x
3. Step 3: Cross multiply
   151,868.38x = 209,578.37 × 84,800.38
4. Step 4: Simplify right side
   151,868.38x = 17,772,323,943.89
5. Step 5: Solve for x
   x = 17,772,323,943.89/151,868.38
6. Step 6: Final answer
   x = 117,024.52