Finding the Fourth Proportional to 517,061.30, 713,311.38 and 302,104.71

Step by Step Solution

1. Step 1: Write the proportion equation
   517,061.30 : 713,311.38 = 302,104.71 : x
2. Step 2: Convert to fraction form
   517,061.30/713,311.38 = 302,104.71/x
3. Step 3: Cross multiply
   517,061.30x = 713,311.38 × 302,104.71
4. Step 4: Simplify right side
   517,061.30x = 215,494,727,594.60
5. Step 5: Solve for x
   x = 215,494,727,594.60/517,061.30
6. Step 6: Final answer
   x = 416,768.24