Finding the Fourth Proportional to 233,820.78, 322,653.15 and 131,871.30

Step by Step Solution

1. Step 1: Write the proportion equation
   233,820.78 : 322,653.15 = 131,871.30 : x
2. Step 2: Convert to fraction form
   233,820.78/322,653.15 = 131,871.30/x
3. Step 3: Cross multiply
   233,820.78x = 322,653.15 × 131,871.30
4. Step 4: Simplify right side
   233,820.78x = 42,548,690,339.60
5. Step 5: Solve for x
   x = 42,548,690,339.60/233,820.78
6. Step 6: Final answer
   x = 181,971.38