Finding the Fourth Proportional to 3,469,969.89, 4,788,708.12 and 1,921,231.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,469,969.89 : 4,788,708.12 = 1,921,231.58 : x
2. Step 2: Convert to fraction form
   3,469,969.89/4,788,708.12 = 1,921,231.58/x
3. Step 3: Cross multiply
   3,469,969.89x = 4,788,708.12 × 1,921,231.58
4. Step 4: Simplify right side
   3,469,969.89x = 9,200,217,243,602.89
5. Step 5: Solve for x
   x = 9,200,217,243,602.89/3,469,969.89
6. Step 6: Final answer
   x = 2,651,382.44