Finding the Fourth Proportional to 5,217,348.69, 7,818,041.69 and 2,788,847.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,217,348.69 : 7,818,041.69 = 2,788,847.39 : x
2. Step 2: Convert to fraction form
   5,217,348.69/7,818,041.69 = 2,788,847.39/x
3. Step 3: Cross multiply
   5,217,348.69x = 7,818,041.69 × 2,788,847.39
4. Step 4: Simplify right side
   5,217,348.69x = 21,803,325,188,584.91
5. Step 5: Solve for x
   x = 21,803,325,188,584.91/5,217,348.69
6. Step 6: Final answer
   x = 4,179,004.79