Finding the Fourth Proportional to 1,554,826,320.30, 2,134,239,063.42 and 1,374,667,821.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,826,320.30 : 2,134,239,063.42 = 1,374,667,821.30 : x
2. Step 2: Convert to fraction form
   1,554,826,320.30/2,134,239,063.42 = 1,374,667,821.30/x
3. Step 3: Cross multiply
   1,554,826,320.30x = 2,134,239,063.42 × 1,374,667,821.30
4. Step 4: Simplify right side
   1,554,826,320.30x = 2,933,869,763,444,923,904
5. Step 5: Solve for x
   x = 2,933,869,763,444,923,904/1,554,826,320.30
6. Step 6: Final answer
   x = 1,886,943,721.71