Finding the Fourth Proportional to 151,578.61, 209,175.72 and 83,601.88

Step by Step Solution

1. Step 1: Write the proportion equation
   151,578.61 : 209,175.72 = 83,601.88 : x
2. Step 2: Convert to fraction form
   151,578.61/209,175.72 = 83,601.88/x
3. Step 3: Cross multiply
   151,578.61x = 209,175.72 × 83,601.88
4. Step 4: Simplify right side
   151,578.61x = 17,487,483,442.35
5. Step 5: Solve for x
   x = 17,487,483,442.35/151,578.61
6. Step 6: Final answer
   x = 115,369.07