Finding the Fourth Proportional to 151,771, 209,429.01 and 83,783.56

Step by Step Solution

1. Step 1: Write the proportion equation
   151,771 : 209,429.01 = 83,783.56 : x
2. Step 2: Convert to fraction form
   151,771/209,429.01 = 83,783.56/x
3. Step 3: Cross multiply
   151,771x = 209,429.01 × 83,783.56
4. Step 4: Simplify right side
   151,771x = 17,546,708,025.08
5. Step 5: Solve for x
   x = 17,546,708,025.08/151,771
6. Step 6: Final answer
   x = 115,613.05