Finding the Fourth Proportional to 2,188,470, 3,020,077 and 1,270,924.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,470 : 3,020,077 = 1,270,924.72 : x
2. Step 2: Convert to fraction form
   2,188,470/3,020,077 = 1,270,924.72/x
3. Step 3: Cross multiply
   2,188,470x = 3,020,077 × 1,270,924.72
4. Step 4: Simplify right side
   2,188,470x = 3,838,290,515,603.44
5. Step 5: Solve for x
   x = 3,838,290,515,603.44/2,188,470
6. Step 6: Final answer
   x = 1,753,869.38