Finding the Fourth Proportional to 2,020,793.07, 3,031,074.78 and 1,221,860.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,793.07 : 3,031,074.78 = 1,221,860.10 : x
2. Step 2: Convert to fraction form
   2,020,793.07/3,031,074.78 = 1,221,860.10/x
3. Step 3: Cross multiply
   2,020,793.07x = 3,031,074.78 × 1,221,860.10
4. Step 4: Simplify right side
   2,020,793.07x = 3,703,549,333,798.28
5. Step 5: Solve for x
   x = 3,703,549,333,798.28/2,020,793.07
6. Step 6: Final answer
   x = 1,832,720.72