Finding the Fourth Proportional to 2,779,567.35, 3,835,867.89 and 1,555,842.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779,567.35 : 3,835,867.89 = 1,555,842.43 : x
2. Step 2: Convert to fraction form
   2,779,567.35/3,835,867.89 = 1,555,842.43/x
3. Step 3: Cross multiply
   2,779,567.35x = 3,835,867.89 × 1,555,842.43
4. Step 4: Simplify right side
   2,779,567.35x = 5,968,006,019,136.57
5. Step 5: Solve for x
   x = 5,968,006,019,136.57/2,779,567.35
6. Step 6: Final answer
   x = 2,147,098.91