Finding the Fourth Proportional to 151,273.32, 208,755.46 and 83,288.90

Step by Step Solution

1. Step 1: Write the proportion equation
   151,273.32 : 208,755.46 = 83,288.90 : x
2. Step 2: Convert to fraction form
   151,273.32/208,755.46 = 83,288.90/x
3. Step 3: Cross multiply
   151,273.32x = 208,755.46 × 83,288.90
4. Step 4: Simplify right side
   151,273.32x = 17,387,012,632.39
5. Step 5: Solve for x
   x = 17,387,012,632.39/151,273.32
6. Step 6: Final answer
   x = 114,937.74