Finding the Fourth Proportional to 3,938,238.06, 5,435,779.71 and 2,565,003.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938,238.06 : 5,435,779.71 = 2,565,003.75 : x
2. Step 2: Convert to fraction form
   3,938,238.06/5,435,779.71 = 2,565,003.75/x
3. Step 3: Cross multiply
   3,938,238.06x = 5,435,779.71 × 2,565,003.75
4. Step 4: Simplify right side
   3,938,238.06x = 13,942,795,340,323.91
5. Step 5: Solve for x
   x = 13,942,795,340,323.91/3,938,238.06
6. Step 6: Final answer
   x = 3,540,363.77