Finding the Fourth Proportional to 715,870.52, 1,073,812.24 and 217,234.52

Step by Step Solution

1. Step 1: Write the proportion equation
   715,870.52 : 1,073,812.24 = 217,234.52 : x
2. Step 2: Convert to fraction form
   715,870.52/1,073,812.24 = 217,234.52/x
3. Step 3: Cross multiply
   715,870.52x = 1,073,812.24 × 217,234.52
4. Step 4: Simplify right side
   715,870.52x = 233,269,086,526.53
5. Step 5: Solve for x
   x = 233,269,086,526.53/715,870.52
6. Step 6: Final answer
   x = 325,853.74