Finding the Fourth Proportional to 9,994,993.84, 14,993,405.70 and 2,806,479.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,994,993.84 : 14,993,405.70 = 2,806,479.28 : x
2. Step 2: Convert to fraction form
   9,994,993.84/14,993,405.70 = 2,806,479.28/x
3. Step 3: Cross multiply
   9,994,993.84x = 14,993,405.70 × 2,806,479.28
4. Step 4: Simplify right side
   9,994,993.84x = 42,078,682,433,683.89
5. Step 5: Solve for x
   x = 42,078,682,433,683.89/9,994,993.84
6. Step 6: Final answer
   x = 4,209,975.82