Finding the Fourth Proportional to 238,653, 329,332.71 and 131,222.28

Step by Step Solution

1. Step 1: Write the proportion equation
   238,653 : 329,332.71 = 131,222.28 : x
2. Step 2: Convert to fraction form
   238,653/329,332.71 = 131,222.28/x
3. Step 3: Cross multiply
   238,653x = 329,332.71 × 131,222.28
4. Step 4: Simplify right side
   238,653x = 43,215,789,084.78
5. Step 5: Solve for x
   x = 43,215,789,084.78/238,653
6. Step 6: Final answer
   x = 181,082.11