Finding the Fourth Proportional to 2,122,745.86, 3,184,111.59 and 860,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,745.86 : 3,184,111.59 = 860,570.50 : x
2. Step 2: Convert to fraction form
   2,122,745.86/3,184,111.59 = 860,570.50/x
3. Step 3: Cross multiply
   2,122,745.86x = 3,184,111.59 × 860,570.50
4. Step 4: Simplify right side
   2,122,745.86x = 2,740,152,503,062.09
5. Step 5: Solve for x
   x = 2,740,152,503,062.09/2,122,745.86
6. Step 6: Final answer
   x = 1,290,852.83