Finding the Fourth Proportional to 2,171,010.30, 3,258,070.65 and 909,743.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,010.30 : 3,258,070.65 = 909,743.10 : x
2. Step 2: Convert to fraction form
   2,171,010.30/3,258,070.65 = 909,743.10/x
3. Step 3: Cross multiply
   2,171,010.30x = 3,258,070.65 × 909,743.10
4. Step 4: Simplify right side
   2,171,010.30x = 2,964,007,293,150.01
5. Step 5: Solve for x
   x = 2,964,007,293,150.01/2,171,010.30
6. Step 6: Final answer
   x = 1,365,266.34