Finding the Fourth Proportional to 3,657,978.21, 5,036,493.03 and 3,105,601.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,657,978.21 : 5,036,493.03 = 3,105,601.35 : x
2. Step 2: Convert to fraction form
   3,657,978.21/5,036,493.03 = 3,105,601.35/x
3. Step 3: Cross multiply
   3,657,978.21x = 5,036,493.03 × 3,105,601.35
4. Step 4: Simplify right side
   3,657,978.21x = 15,641,339,553,233.59
5. Step 5: Solve for x
   x = 15,641,339,553,233.59/3,657,978.21
6. Step 6: Final answer
   x = 4,275,952.08