Finding the Fourth Proportional to 238,955.82, 358,485.57 and 72,739.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,955.82 : 358,485.57 = 72,739.50 : x
2. Step 2: Convert to fraction form
   238,955.82/358,485.57 = 72,739.50/x
3. Step 3: Cross multiply
   238,955.82x = 358,485.57 × 72,739.50
4. Step 4: Simplify right side
   238,955.82x = 26,076,061,119.02
5. Step 5: Solve for x
   x = 26,076,061,119.02/238,955.82
6. Step 6: Final answer
   x = 109,125.03