Finding the Fourth Proportional to 151,550.86, 209,135.61 and 83,567.80

Step by Step Solution

1. Step 1: Write the proportion equation
   151,550.86 : 209,135.61 = 83,567.80 : x
2. Step 2: Convert to fraction form
   151,550.86/209,135.61 = 83,567.80/x
3. Step 3: Cross multiply
   151,550.86x = 209,135.61 × 83,567.80
4. Step 4: Simplify right side
   151,550.86x = 17,477,002,829.36
5. Step 5: Solve for x
   x = 17,477,002,829.36/151,550.86
6. Step 6: Final answer
   x = 115,321.04