Finding the Fourth Proportional to 151,603.48, 209,213.79 and 83,622.30

Step by Step Solution

1. Step 1: Write the proportion equation
   151,603.48 : 209,213.79 = 83,622.30 : x
2. Step 2: Convert to fraction form
   151,603.48/209,213.79 = 83,622.30/x
3. Step 3: Cross multiply
   151,603.48x = 209,213.79 × 83,622.30
4. Step 4: Simplify right side
   151,603.48x = 17,494,938,311.52
5. Step 5: Solve for x
   x = 17,494,938,311.52/151,603.48
6. Step 6: Final answer
   x = 115,399.32