Finding the Fourth Proportional to 307,089.35, 423,772.52 and 171,116.27

Step by Step Solution

1. Step 1: Write the proportion equation
   307,089.35 : 423,772.52 = 171,116.27 : x
2. Step 2: Convert to fraction form
   307,089.35/423,772.52 = 171,116.27/x
3. Step 3: Cross multiply
   307,089.35x = 423,772.52 × 171,116.27
4. Step 4: Simplify right side
   307,089.35x = 72,514,369,976.46
5. Step 5: Solve for x
   x = 72,514,369,976.46/307,089.35
6. Step 6: Final answer
   x = 236,134.44