Finding the Fourth Proportional to 1,314,020.72, 1,813,350.72 and 710,408.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314,020.72 : 1,813,350.72 = 710,408.72 : x
2. Step 2: Convert to fraction form
   1,314,020.72/1,813,350.72 = 710,408.72/x
3. Step 3: Cross multiply
   1,314,020.72x = 1,813,350.72 × 710,408.72
4. Step 4: Simplify right side
   1,314,020.72x = 1,288,220,163,906.28
5. Step 5: Solve for x
   x = 1,288,220,163,906.28/1,314,020.72
6. Step 6: Final answer
   x = 980,365.18