Finding the Fourth Proportional to 236,709, 326,574.27 and 139,892.31

Step by Step Solution

1. Step 1: Write the proportion equation
   236,709 : 326,574.27 = 139,892.31 : x
2. Step 2: Convert to fraction form
   236,709/326,574.27 = 139,892.31/x
3. Step 3: Cross multiply
   236,709x = 326,574.27 × 139,892.31
4. Step 4: Simplify right side
   236,709x = 45,685,229,016.86
5. Step 5: Solve for x
   x = 45,685,229,016.86/236,709
6. Step 6: Final answer
   x = 193,001.66