Finding the Fourth Proportional to 166,385.69, 229,659.35 and 98,426.28

Step by Step Solution

1. Step 1: Write the proportion equation
   166,385.69 : 229,659.35 = 98,426.28 : x
2. Step 2: Convert to fraction form
   166,385.69/229,659.35 = 98,426.28/x
3. Step 3: Cross multiply
   166,385.69x = 229,659.35 × 98,426.28
4. Step 4: Simplify right side
   166,385.69x = 22,604,514,995.59
5. Step 5: Solve for x
   x = 22,604,514,995.59/166,385.69
6. Step 6: Final answer
   x = 135,856.13