Finding the Fourth Proportional to 1,274,993.30, 1,903,161.86 and 1,123,661.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274,993.30 : 1,903,161.86 = 1,123,661.99 : x
2. Step 2: Convert to fraction form
   1,274,993.30/1,903,161.86 = 1,123,661.99/x
3. Step 3: Cross multiply
   1,274,993.30x = 1,903,161.86 × 1,123,661.99
4. Step 4: Simplify right side
   1,274,993.30x = 2,138,510,627,765.58
5. Step 5: Solve for x
   x = 2,138,510,627,765.58/1,274,993.30
6. Step 6: Final answer
   x = 1,677,272.06