Finding the Fourth Proportional to 1,294,469.72, 1,786,380.06 and 713,713.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294,469.72 : 1,786,380.06 = 713,713.72 : x
2. Step 2: Convert to fraction form
   1,294,469.72/1,786,380.06 = 713,713.72/x
3. Step 3: Cross multiply
   1,294,469.72x = 1,786,380.06 × 713,713.72
4. Step 4: Simplify right side
   1,294,469.72x = 1,274,963,957,956.42
5. Step 5: Solve for x
   x = 1,274,963,957,956.42/1,294,469.72
6. Step 6: Final answer
   x = 984,931.47