Finding the Fourth Proportional to 245,785.86, 368,695.45 and 83,613.88

Step by Step Solution

1. Step 1: Write the proportion equation
   245,785.86 : 368,695.45 = 83,613.88 : x
2. Step 2: Convert to fraction form
   245,785.86/368,695.45 = 83,613.88/x
3. Step 3: Cross multiply
   245,785.86x = 368,695.45 × 83,613.88
4. Step 4: Simplify right side
   245,785.86x = 30,828,057,112.85
5. Step 5: Solve for x
   x = 30,828,057,112.85/245,785.86
6. Step 6: Final answer
   x = 125,426.49