Finding the Fourth Proportional to 713,061.09, 984,032.04 and 390,764.25

Step by Step Solution

1. Step 1: Write the proportion equation
   713,061.09 : 984,032.04 = 390,764.25 : x
2. Step 2: Convert to fraction form
   713,061.09/984,032.04 = 390,764.25/x
3. Step 3: Cross multiply
   713,061.09x = 984,032.04 × 390,764.25
4. Step 4: Simplify right side
   713,061.09x = 384,524,542,086.57
5. Step 5: Solve for x
   x = 384,524,542,086.57/713,061.09
6. Step 6: Final answer
   x = 539,258.90