Finding the Fourth Proportional to 3,855,970.89, 5,778,272.76 and 2,147,762.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,855,970.89 : 5,778,272.76 = 2,147,762.58 : x
2. Step 2: Convert to fraction form
   3,855,970.89/5,778,272.76 = 2,147,762.58/x
3. Step 3: Cross multiply
   3,855,970.89x = 5,778,272.76 × 2,147,762.58
4. Step 4: Simplify right side
   3,855,970.89x = 12,410,358,010,961.32
5. Step 5: Solve for x
   x = 12,410,358,010,961.32/3,855,970.89
6. Step 6: Final answer
   x = 3,218,478.14