Finding the Fourth Proportional to 2,109,215.27, 2,910,716.03 and 1,142,345.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,215.27 : 2,910,716.03 = 1,142,345.45 : x
2. Step 2: Convert to fraction form
   2,109,215.27/2,910,716.03 = 1,142,345.45/x
3. Step 3: Cross multiply
   2,109,215.27x = 2,910,716.03 × 1,142,345.45
4. Step 4: Simplify right side
   2,109,215.27x = 3,325,043,207,400.84
5. Step 5: Solve for x
   x = 3,325,043,207,400.84/2,109,215.27
6. Step 6: Final answer
   x = 1,576,436.15