Finding the Fourth Proportional to 152,109.36, 209,912.31 and 84,122.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,109.36 : 209,912.31 = 84,122.82 : x
2. Step 2: Convert to fraction form
   152,109.36/209,912.31 = 84,122.82/x
3. Step 3: Cross multiply
   152,109.36x = 209,912.31 × 84,122.82
4. Step 4: Simplify right side
   152,109.36x = 17,658,415,469.91
5. Step 5: Solve for x
   x = 17,658,415,469.91/152,109.36
6. Step 6: Final answer
   x = 116,090.26