Finding the Fourth Proportional to 238,354.38, 357,492.69 and 72,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,354.38 : 357,492.69 = 72,103.50 : x
2. Step 2: Convert to fraction form
   238,354.38/357,492.69 = 72,103.50/x
3. Step 3: Cross multiply
   238,354.38x = 357,492.69 × 72,103.50
4. Step 4: Simplify right side
   238,354.38x = 25,776,474,173.42
5. Step 5: Solve for x
   x = 25,776,474,173.42/238,354.38
6. Step 6: Final answer
   x = 108,143.49