Finding the Fourth Proportional to 2,593,111.80, 3,886,557.30 and 1,330,289.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,593,111.80 : 3,886,557.30 = 1,330,289.40 : x
2. Step 2: Convert to fraction form
   2,593,111.80/3,886,557.30 = 1,330,289.40/x
3. Step 3: Cross multiply
   2,593,111.80x = 3,886,557.30 × 1,330,289.40
4. Step 4: Simplify right side
   2,593,111.80x = 5,170,245,978,682.62
5. Step 5: Solve for x
   x = 5,170,245,978,682.62/2,593,111.80
6. Step 6: Final answer
   x = 1,993,838.44