Finding the Fourth Proportional to 2,870,342.78, 4,305,406.52 and 711,375.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870,342.78 : 4,305,406.52 = 711,375.01 : x
2. Step 2: Convert to fraction form
   2,870,342.78/4,305,406.52 = 711,375.01/x
3. Step 3: Cross multiply
   2,870,342.78x = 4,305,406.52 × 711,375.01
4. Step 4: Simplify right side
   2,870,342.78x = 3,062,758,593,232.50
5. Step 5: Solve for x
   x = 3,062,758,593,232.50/2,870,342.78
6. Step 6: Final answer
   x = 1,067,035.83