Finding the Fourth Proportional to 2,870,334.10, 4,305,393.48 and 711,366.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870,334.10 : 4,305,393.48 = 711,366.31 : x
2. Step 2: Convert to fraction form
   2,870,334.10/4,305,393.48 = 711,366.31/x
3. Step 3: Cross multiply
   2,870,334.10x = 4,305,393.48 × 711,366.31
4. Step 4: Simplify right side
   2,870,334.10x = 3,062,711,881,015.02
5. Step 5: Solve for x
   x = 3,062,711,881,015.02/2,870,334.10
6. Step 6: Final answer
   x = 1,067,022.78