Finding the Fourth Proportional to 2,130,904, 2,940,647.52 and 1,225,466.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130,904 : 2,940,647.52 = 1,225,466.56 : x
2. Step 2: Convert to fraction form
   2,130,904/2,940,647.52 = 1,225,466.56/x
3. Step 3: Cross multiply
   2,130,904x = 2,940,647.52 × 1,225,466.56
4. Step 4: Simplify right side
   2,130,904x = 3,603,665,200,506.93
5. Step 5: Solve for x
   x = 3,603,665,200,506.93/2,130,904
6. Step 6: Final answer
   x = 1,691,143.85