Finding the Fourth Proportional to 151,648.52, 209,272.96 and 83,668.36

Step by Step Solution

1. Step 1: Write the proportion equation
   151,648.52 : 209,272.96 = 83,668.36 : x
2. Step 2: Convert to fraction form
   151,648.52/209,272.96 = 83,668.36/x
3. Step 3: Cross multiply
   151,648.52x = 209,272.96 × 83,668.36
4. Step 4: Simplify right side
   151,648.52x = 17,509,525,355.55
5. Step 5: Solve for x
   x = 17,509,525,355.55/151,648.52
6. Step 6: Final answer
   x = 115,461.23