Finding the Fourth Proportional to 3,968,279.98, 5,477,391.82 and 2,591,834.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968,279.98 : 5,477,391.82 = 2,591,834.12 : x
2. Step 2: Convert to fraction form
   3,968,279.98/5,477,391.82 = 2,591,834.12/x
3. Step 3: Cross multiply
   3,968,279.98x = 5,477,391.82 × 2,591,834.12
4. Step 4: Simplify right side
   3,968,279.98x = 14,196,491,004,077.95
5. Step 5: Solve for x
   x = 14,196,491,004,077.95/3,968,279.98
6. Step 6: Final answer
   x = 3,577,492.28