Finding the Fourth Proportional to 6,294,196.08, 8,685,977.85 and 3,540,885.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,294,196.08 : 8,685,977.85 = 3,540,885.21 : x
2. Step 2: Convert to fraction form
   6,294,196.08/8,685,977.85 = 3,540,885.21/x
3. Step 3: Cross multiply
   6,294,196.08x = 8,685,977.85 × 3,540,885.21
4. Step 4: Simplify right side
   6,294,196.08x = 30,756,050,503,452.60
5. Step 5: Solve for x
   x = 30,756,050,503,452.60/6,294,196.08
6. Step 6: Final answer
   x = 4,886,414.42