Finding the Fourth Proportional to 2,116,149.57, 2,920,751.06 and 1,391,064.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,149.57 : 2,920,751.06 = 1,391,064.03 : x
2. Step 2: Convert to fraction form
   2,116,149.57/2,920,751.06 = 1,391,064.03/x
3. Step 3: Cross multiply
   2,116,149.57x = 2,920,751.06 × 1,391,064.03
4. Step 4: Simplify right side
   2,116,149.57x = 4,062,951,733,195.05
5. Step 5: Solve for x
   x = 4,062,951,733,195.05/2,116,149.57
6. Step 6: Final answer
   x = 1,919,973.80