Finding the Fourth Proportional to 3,957,755.76, 5,461,704.72 and 2,238,839.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,957,755.76 : 5,461,704.72 = 2,238,839.64 : x
2. Step 2: Convert to fraction form
   3,957,755.76/5,461,704.72 = 2,238,839.64/x
3. Step 3: Cross multiply
   3,957,755.76x = 5,461,704.72 × 2,238,839.64
4. Step 4: Simplify right side
   3,957,755.76x = 12,227,881,029,111.10
5. Step 5: Solve for x
   x = 12,227,881,029,111.10/3,957,755.76
6. Step 6: Final answer
   x = 3,089,599.71