Finding the Fourth Proportional to 2,334,212.59, 3,221,067.56 and 1,287,645.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,334,212.59 : 3,221,067.56 = 1,287,645.91 : x
2. Step 2: Convert to fraction form
   2,334,212.59/3,221,067.56 = 1,287,645.91/x
3. Step 3: Cross multiply
   2,334,212.59x = 3,221,067.56 × 1,287,645.91
4. Step 4: Simplify right side
   2,334,212.59x = 4,147,594,477,520.35
5. Step 5: Solve for x
   x = 4,147,594,477,520.35/2,334,212.59
6. Step 6: Final answer
   x = 1,776,870.93