Finding the Fourth Proportional to 151,603.25, 209,210.82 and 83,623.09

Step by Step Solution

1. Step 1: Write the proportion equation
   151,603.25 : 209,210.82 = 83,623.09 : x
2. Step 2: Convert to fraction form
   151,603.25/209,210.82 = 83,623.09/x
3. Step 3: Cross multiply
   151,603.25x = 209,210.82 × 83,623.09
4. Step 4: Simplify right side
   151,603.25x = 17,494,854,706.81
5. Step 5: Solve for x
   x = 17,494,854,706.81/151,603.25
6. Step 6: Final answer
   x = 115,398.95