Finding the Fourth Proportional to 2,034,288, 2,807,448.75 and 1,128,870

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034,288 : 2,807,448.75 = 1,128,870 : x
2. Step 2: Convert to fraction form
   2,034,288/2,807,448.75 = 1,128,870/x
3. Step 3: Cross multiply
   2,034,288x = 2,807,448.75 × 1,128,870
4. Step 4: Simplify right side
   2,034,288x = 3,169,244,670,412.50
5. Step 5: Solve for x
   x = 3,169,244,670,412.50/2,034,288
6. Step 6: Final answer
   x = 1,557,913.47