Finding the Fourth Proportional to 2,020,142, 2,787,854.28 and 1,114,782.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,142 : 2,787,854.28 = 1,114,782.32 : x
2. Step 2: Convert to fraction form
   2,020,142/2,787,854.28 = 1,114,782.32/x
3. Step 3: Cross multiply
   2,020,142x = 2,787,854.28 × 1,114,782.32
4. Step 4: Simplify right side
   2,020,142x = 3,107,850,662,080.33
5. Step 5: Solve for x
   x = 3,107,850,662,080.33/2,020,142
6. Step 6: Final answer
   x = 1,538,431.78