Finding the Fourth Proportional to 238,462.31, 357,694.31 and 72,250.31

Step by Step Solution

1. Step 1: Write the proportion equation
   238,462.31 : 357,694.31 = 72,250.31 : x
2. Step 2: Convert to fraction form
   238,462.31/357,694.31 = 72,250.31/x
3. Step 3: Cross multiply
   238,462.31x = 357,694.31 × 72,250.31
4. Step 4: Simplify right side
   238,462.31x = 25,843,525,857.60
5. Step 5: Solve for x
   x = 25,843,525,857.60/238,462.31
6. Step 6: Final answer
   x = 108,375.72