Finding the Fourth Proportional to 2,277,410.12, 3,142,889.46 and 1,258,880.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277,410.12 : 3,142,889.46 = 1,258,880.36 : x
2. Step 2: Convert to fraction form
   2,277,410.12/3,142,889.46 = 1,258,880.36/x
3. Step 3: Cross multiply
   2,277,410.12x = 3,142,889.46 × 1,258,880.36
4. Step 4: Simplify right side
   2,277,410.12x = 3,956,521,814,845.01
5. Step 5: Solve for x
   x = 3,956,521,814,845.01/2,277,410.12
6. Step 6: Final answer
   x = 1,737,289.99