Finding the Fourth Proportional to 713,023.89, 1,068,816.15 and 446,971.25

Step by Step Solution

1. Step 1: Write the proportion equation
   713,023.89 : 1,068,816.15 = 446,971.25 : x
2. Step 2: Convert to fraction form
   713,023.89/1,068,816.15 = 446,971.25/x
3. Step 3: Cross multiply
   713,023.89x = 1,068,816.15 × 446,971.25
4. Step 4: Simplify right side
   713,023.89x = 477,730,085,241.61
5. Step 5: Solve for x
   x = 477,730,085,241.61/713,023.89
6. Step 6: Final answer
   x = 670,005.72