Finding the Fourth Proportional to 151,278.89, 208,763.10 and 83,294.42

Step by Step Solution

1. Step 1: Write the proportion equation
   151,278.89 : 208,763.10 = 83,294.42 : x
2. Step 2: Convert to fraction form
   151,278.89/208,763.10 = 83,294.42/x
3. Step 3: Cross multiply
   151,278.89x = 208,763.10 × 83,294.42
4. Step 4: Simplify right side
   151,278.89x = 17,388,800,288.09
5. Step 5: Solve for x
   x = 17,388,800,288.09/151,278.89
6. Step 6: Final answer
   x = 114,945.32