Finding the Fourth Proportional to 2,636,328.90, 3,945,162.15 and 1,796,520.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636,328.90 : 3,945,162.15 = 1,796,520.90 : x
2. Step 2: Convert to fraction form
   2,636,328.90/3,945,162.15 = 1,796,520.90/x
3. Step 3: Cross multiply
   2,636,328.90x = 3,945,162.15 × 1,796,520.90
4. Step 4: Simplify right side
   2,636,328.90x = 7,087,566,256,363.94
5. Step 5: Solve for x
   x = 7,087,566,256,363.94/2,636,328.90
6. Step 6: Final answer
   x = 2,688,422.62