Finding the Fourth Proportional to 151,654.47, 209,283.89 and 83,672.25

Step by Step Solution

1. Step 1: Write the proportion equation
   151,654.47 : 209,283.89 = 83,672.25 : x
2. Step 2: Convert to fraction form
   151,654.47/209,283.89 = 83,672.25/x
3. Step 3: Cross multiply
   151,654.47x = 209,283.89 × 83,672.25
4. Step 4: Simplify right side
   151,654.47x = 17,511,253,965.05
5. Step 5: Solve for x
   x = 17,511,253,965.05/151,654.47
6. Step 6: Final answer
   x = 115,468.10