Finding the Fourth Proportional to 1,673,836.05, 2,309,916.71 and 909,906.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,836.05 : 2,309,916.71 = 909,906.02 : x
2. Step 2: Convert to fraction form
   1,673,836.05/2,309,916.71 = 909,906.02/x
3. Step 3: Cross multiply
   1,673,836.05x = 2,309,916.71 × 909,906.02
4. Step 4: Simplify right side
   1,673,836.05x = 2,101,807,110,852.78
5. Step 5: Solve for x
   x = 2,101,807,110,852.78/1,673,836.05
6. Step 6: Final answer
   x = 1,255,682.78