Finding the Fourth Proportional to 6,980,205.12, 10,464,659.55 and 3,139,214.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,980,205.12 : 10,464,659.55 = 3,139,214.55 : x
2. Step 2: Convert to fraction form
   6,980,205.12/10,464,659.55 = 3,139,214.55/x
3. Step 3: Cross multiply
   6,980,205.12x = 10,464,659.55 × 3,139,214.55
4. Step 4: Simplify right side
   6,980,205.12x = 32,850,811,520,156.45
5. Step 5: Solve for x
   x = 32,850,811,520,156.45/6,980,205.12
6. Step 6: Final answer
   x = 4,706,281.69