Finding the Fourth Proportional to 2,109,189.78, 2,910,667.44 and 1,142,298

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,189.78 : 2,910,667.44 = 1,142,298 : x
2. Step 2: Convert to fraction form
   2,109,189.78/2,910,667.44 = 1,142,298/x
3. Step 3: Cross multiply
   2,109,189.78x = 2,910,667.44 × 1,142,298
4. Step 4: Simplify right side
   2,109,189.78x = 3,324,849,595,377.12
5. Step 5: Solve for x
   x = 3,324,849,595,377.12/2,109,189.78
6. Step 6: Final answer
   x = 1,576,363.41