Finding the Fourth Proportional to 3,469,897.12, 4,787,886.72 and 2,179,823.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,469,897.12 : 4,787,886.72 = 2,179,823.89 : x
2. Step 2: Convert to fraction form
   3,469,897.12/4,787,886.72 = 2,179,823.89/x
3. Step 3: Cross multiply
   3,469,897.12x = 4,787,886.72 × 2,179,823.89
4. Step 4: Simplify right side
   3,469,897.12x = 10,436,749,854,869.74
5. Step 5: Solve for x
   x = 10,436,749,854,869.74/3,469,897.12
6. Step 6: Final answer
   x = 3,007,798.07