Finding the Fourth Proportional to 151,467.91, 209,024.59 and 83,485.02

Step by Step Solution

1. Step 1: Write the proportion equation
   151,467.91 : 209,024.59 = 83,485.02 : x
2. Step 2: Convert to fraction form
   151,467.91/209,024.59 = 83,485.02/x
3. Step 3: Cross multiply
   151,467.91x = 209,024.59 × 83,485.02
4. Step 4: Simplify right side
   151,467.91x = 17,450,422,076.64
5. Step 5: Solve for x
   x = 17,450,422,076.64/151,467.91
6. Step 6: Final answer
   x = 115,208.71