Finding the Fourth Proportional to 152,065.72, 209,866.01 and 84,087.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,065.72 : 209,866.01 = 84,087.82 : x
2. Step 2: Convert to fraction form
   152,065.72/209,866.01 = 84,087.82/x
3. Step 3: Cross multiply
   152,065.72x = 209,866.01 × 84,087.82
4. Step 4: Simplify right side
   152,065.72x = 17,647,175,114.89
5. Step 5: Solve for x
   x = 17,647,175,114.89/152,065.72
6. Step 6: Final answer
   x = 116,049.66