Finding the Fourth Proportional to 6,419,300.33, 8,853,469.09 and 5,643,271.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,419,300.33 : 8,853,469.09 = 5,643,271.91 : x
2. Step 2: Convert to fraction form
   6,419,300.33/8,853,469.09 = 5,643,271.91/x
3. Step 3: Cross multiply
   6,419,300.33x = 8,853,469.09 × 5,643,271.91
4. Step 4: Simplify right side
   6,419,300.33x = 49,962,533,429,675.75
5. Step 5: Solve for x
   x = 49,962,533,429,675.75/6,419,300.33
6. Step 6: Final answer
   x = 7,783,174.31