Finding the Fourth Proportional to 2,065,408.90, 3,098,113.35 and 1,640,256.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065,408.90 : 3,098,113.35 = 1,640,256.10 : x
2. Step 2: Convert to fraction form
   2,065,408.90/3,098,113.35 = 1,640,256.10/x
3. Step 3: Cross multiply
   2,065,408.90x = 3,098,113.35 × 1,640,256.10
4. Step 4: Simplify right side
   2,065,408.90x = 5,081,699,320,828.94
5. Step 5: Solve for x
   x = 5,081,699,320,828.94/2,065,408.90
6. Step 6: Final answer
   x = 2,460,384.15