Finding the Fourth Proportional to 2,780,326.42, 3,835,958.22 and 1,556,451.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780,326.42 : 3,835,958.22 = 1,556,451.70 : x
2. Step 2: Convert to fraction form
   2,780,326.42/3,835,958.22 = 1,556,451.70/x
3. Step 3: Cross multiply
   2,780,326.42x = 3,835,958.22 × 1,556,451.70
4. Step 4: Simplify right side
   2,780,326.42x = 5,970,483,692,647.98
5. Step 5: Solve for x
   x = 5,970,483,692,647.98/2,780,326.42
6. Step 6: Final answer
   x = 2,147,403.86