Finding the Fourth Proportional to 151,273.82, 208,756.15 and 83,289.40

Step by Step Solution

1. Step 1: Write the proportion equation
   151,273.82 : 208,756.15 = 83,289.40 : x
2. Step 2: Convert to fraction form
   151,273.82/208,756.15 = 83,289.40/x
3. Step 3: Cross multiply
   151,273.82x = 208,756.15 × 83,289.40
4. Step 4: Simplify right side
   151,273.82x = 17,387,174,479.81
5. Step 5: Solve for x
   x = 17,387,174,479.81/151,273.82
6. Step 6: Final answer
   x = 114,938.42