Finding the Fourth Proportional to 3,618,404.94, 5,453,615.94 and 3,118,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,618,404.94 : 5,453,615.94 = 3,118,993.50 : x
2. Step 2: Convert to fraction form
   3,618,404.94/5,453,615.94 = 3,118,993.50/x
3. Step 3: Cross multiply
   3,618,404.94x = 5,453,615.94 × 3,118,993.50
4. Step 4: Simplify right side
   3,618,404.94x = 17,009,792,668,356.39
5. Step 5: Solve for x
   x = 17,009,792,668,356.39/3,618,404.94
6. Step 6: Final answer
   x = 4,700,909.09