Finding the Fourth Proportional to 151,580.36, 209,180.78 and 83,601.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,580.36 : 209,180.78 = 83,601.72 : x
2. Step 2: Convert to fraction form
   151,580.36/209,180.78 = 83,601.72/x
3. Step 3: Cross multiply
   151,580.36x = 209,180.78 × 83,601.72
4. Step 4: Simplify right side
   151,580.36x = 17,487,872,894.44
5. Step 5: Solve for x
   x = 17,487,872,894.44/151,580.36
6. Step 6: Final answer
   x = 115,370.31