Finding the Fourth Proportional to 710,282.89, 1,065,147.94 and 230,394.65

Step by Step Solution

1. Step 1: Write the proportion equation
   710,282.89 : 1,065,147.94 = 230,394.65 : x
2. Step 2: Convert to fraction form
   710,282.89/1,065,147.94 = 230,394.65/x
3. Step 3: Cross multiply
   710,282.89x = 1,065,147.94 × 230,394.65
4. Step 4: Simplify right side
   710,282.89x = 245,404,381,796.78
5. Step 5: Solve for x
   x = 245,404,381,796.78/710,282.89
6. Step 6: Final answer
   x = 345,502.31