Finding the Fourth Proportional to 238,699.48, 329,398.71 and 131,269.51

Step by Step Solution

1. Step 1: Write the proportion equation
   238,699.48 : 329,398.71 = 131,269.51 : x
2. Step 2: Convert to fraction form
   238,699.48/329,398.71 = 131,269.51/x
3. Step 3: Cross multiply
   238,699.48x = 329,398.71 × 131,269.51
4. Step 4: Simplify right side
   238,699.48x = 43,240,008,079.83
5. Step 5: Solve for x
   x = 43,240,008,079.83/238,699.48
6. Step 6: Final answer
   x = 181,148.31