Finding the Fourth Proportional to 151,647, 209,271.42 and 83,664.52

Step by Step Solution

1. Step 1: Write the proportion equation
   151,647 : 209,271.42 = 83,664.52 : x
2. Step 2: Convert to fraction form
   151,647/209,271.42 = 83,664.52/x
3. Step 3: Cross multiply
   151,647x = 209,271.42 × 83,664.52
4. Step 4: Simplify right side
   151,647x = 17,508,592,485.70
5. Step 5: Solve for x
   x = 17,508,592,485.70/151,647
6. Step 6: Final answer
   x = 115,456.24