Finding the Fourth Proportional to 6,321,479.55, 8,723,641.59 and 3,420,870.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,321,479.55 : 8,723,641.59 = 3,420,870.42 : x
2. Step 2: Convert to fraction form
   6,321,479.55/8,723,641.59 = 3,420,870.42/x
3. Step 3: Cross multiply
   6,321,479.55x = 8,723,641.59 × 3,420,870.42
4. Step 4: Simplify right side
   6,321,479.55x = 29,842,447,451,333.07
5. Step 5: Solve for x
   x = 29,842,447,451,333.07/6,321,479.55
6. Step 6: Final answer
   x = 4,720,801.08