Finding the Fourth Proportional to 347,492.30, 479,584.56 and 194,588.72

Step by Step Solution

1. Step 1: Write the proportion equation
   347,492.30 : 479,584.56 = 194,588.72 : x
2. Step 2: Convert to fraction form
   347,492.30/479,584.56 = 194,588.72/x
3. Step 3: Cross multiply
   347,492.30x = 479,584.56 × 194,588.72
4. Step 4: Simplify right side
   347,492.30x = 93,321,745,662.16
5. Step 5: Solve for x
   x = 93,321,745,662.16/347,492.30
6. Step 6: Final answer
   x = 268,557.74