Finding the Fourth Proportional to 2,970,568.72, 4,455,939.48 and 726,706

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970,568.72 : 4,455,939.48 = 726,706 : x
2. Step 2: Convert to fraction form
   2,970,568.72/4,455,939.48 = 726,706/x
3. Step 3: Cross multiply
   2,970,568.72x = 4,455,939.48 × 726,706
4. Step 4: Simplify right side
   2,970,568.72x = 3,238,157,955,752.88
5. Step 5: Solve for x
   x = 3,238,157,955,752.88/2,970,568.72
6. Step 6: Final answer
   x = 1,090,080.14