Finding the Fourth Proportional to 151,581.75, 209,179.98 and 83,605.07

Step by Step Solution

1. Step 1: Write the proportion equation
   151,581.75 : 209,179.98 = 83,605.07 : x
2. Step 2: Convert to fraction form
   151,581.75/209,179.98 = 83,605.07/x
3. Step 3: Cross multiply
   151,581.75x = 209,179.98 × 83,605.07
4. Step 4: Simplify right side
   151,581.75x = 17,488,505,824.60
5. Step 5: Solve for x
   x = 17,488,505,824.60/151,581.75
6. Step 6: Final answer
   x = 115,373.43