Finding the Fourth Proportional to 2,779,609.77, 3,835,683.72 and 1,555,709.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779,609.77 : 3,835,683.72 = 1,555,709.49 : x
2. Step 2: Convert to fraction form
   2,779,609.77/3,835,683.72 = 1,555,709.49/x
3. Step 3: Cross multiply
   2,779,609.77x = 3,835,683.72 × 1,555,709.49
4. Step 4: Simplify right side
   2,779,609.77x = 5,967,209,563,842.50
5. Step 5: Solve for x
   x = 5,967,209,563,842.50/2,779,609.77
6. Step 6: Final answer
   x = 2,146,779.60