Finding the Fourth Proportional to 151,650.72, 209,278.70 and 83,668.52

Step by Step Solution

1. Step 1: Write the proportion equation
   151,650.72 : 209,278.70 = 83,668.52 : x
2. Step 2: Convert to fraction form
   151,650.72/209,278.70 = 83,668.52/x
3. Step 3: Cross multiply
   151,650.72x = 209,278.70 × 83,668.52
4. Step 4: Simplify right side
   151,650.72x = 17,510,039,096.52
5. Step 5: Solve for x
   x = 17,510,039,096.52/151,650.72
6. Step 6: Final answer
   x = 115,462.95