Finding the Fourth Proportional to 492,789.42, 740,429.70 and 472,860.42

Step by Step Solution

1. Step 1: Write the proportion equation
   492,789.42 : 740,429.70 = 472,860.42 : x
2. Step 2: Convert to fraction form
   492,789.42/740,429.70 = 472,860.42/x
3. Step 3: Cross multiply
   492,789.42x = 740,429.70 × 472,860.42
4. Step 4: Simplify right side
   492,789.42x = 350,119,898,922.47
5. Step 5: Solve for x
   x = 350,119,898,922.47/492,789.42
6. Step 6: Final answer
   x = 710,485.83