Finding the Fourth Proportional to 3,947,419.82, 5,447,135.30 and 2,228,709.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,419.82 : 5,447,135.30 = 2,228,709.98 : x
2. Step 2: Convert to fraction form
   3,947,419.82/5,447,135.30 = 2,228,709.98/x
3. Step 3: Cross multiply
   3,947,419.82x = 5,447,135.30 × 2,228,709.98
4. Step 4: Simplify right side
   3,947,419.82x = 12,140,084,805,520.29
5. Step 5: Solve for x
   x = 12,140,084,805,520.29/3,947,419.82
6. Step 6: Final answer
   x = 3,075,448.11