Finding the Fourth Proportional to 2,155,853.22, 2,974,326.10 and 1,381,910.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,853.22 : 2,974,326.10 = 1,381,910.72 : x
2. Step 2: Convert to fraction form
   2,155,853.22/2,974,326.10 = 1,381,910.72/x
3. Step 3: Cross multiply
   2,155,853.22x = 2,974,326.10 × 1,381,910.72
4. Step 4: Simplify right side
   2,155,853.22x = 4,110,253,122,365.79
5. Step 5: Solve for x
   x = 4,110,253,122,365.79/2,155,853.22
6. Step 6: Final answer
   x = 1,906,555.18