Finding the Fourth Proportional to 475,061.91, 711,849 and 285,055.35

Step by Step Solution

1. Step 1: Write the proportion equation
   475,061.91 : 711,849 = 285,055.35 : x
2. Step 2: Convert to fraction form
   475,061.91/711,849 = 285,055.35/x
3. Step 3: Cross multiply
   475,061.91x = 711,849 × 285,055.35
4. Step 4: Simplify right side
   475,061.91x = 202,916,365,842.15
5. Step 5: Solve for x
   x = 202,916,365,842.15/475,061.91
6. Step 6: Final answer
   x = 427,136.68