Finding the Fourth Proportional to 2,856,633.80, 4,284,974.94 and 726,719.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856,633.80 : 4,284,974.94 = 726,719.72 : x
2. Step 2: Convert to fraction form
   2,856,633.80/4,284,974.94 = 726,719.72/x
3. Step 3: Cross multiply
   2,856,633.80x = 4,284,974.94 × 726,719.72
4. Step 4: Simplify right side
   2,856,633.80x = 3,113,975,788,603.82
5. Step 5: Solve for x
   x = 3,113,975,788,603.82/2,856,633.80
6. Step 6: Final answer
   x = 1,090,085.75