Finding the Fourth Proportional to 2,019,341.03, 2,787,139.98 and 1,284,146.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,341.03 : 2,787,139.98 = 1,284,146.31 : x
2. Step 2: Convert to fraction form
   2,019,341.03/2,787,139.98 = 1,284,146.31/x
3. Step 3: Cross multiply
   2,019,341.03x = 2,787,139.98 × 1,284,146.31
4. Step 4: Simplify right side
   2,019,341.03x = 3,579,095,520,770.47
5. Step 5: Solve for x
   x = 3,579,095,520,770.47/2,019,341.03
6. Step 6: Final answer
   x = 1,772,407.66