Finding the Fourth Proportional to 148,789.37, 205,279.37 and 84,249.78

Step by Step Solution

1. Step 1: Write the proportion equation
   148,789.37 : 205,279.37 = 84,249.78 : x
2. Step 2: Convert to fraction form
   148,789.37/205,279.37 = 84,249.78/x
3. Step 3: Cross multiply
   148,789.37x = 205,279.37 × 84,249.78
4. Step 4: Simplify right side
   148,789.37x = 17,294,741,339.79
5. Step 5: Solve for x
   x = 17,294,741,339.79/148,789.37
6. Step 6: Final answer
   x = 116,236.41