Finding the Fourth Proportional to 8,651,495.82, 12,978,132.18 and 3,264,679.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,651,495.82 : 12,978,132.18 = 3,264,679.71 : x
2. Step 2: Convert to fraction form
   8,651,495.82/12,978,132.18 = 3,264,679.71/x
3. Step 3: Cross multiply
   8,651,495.82x = 12,978,132.18 × 3,264,679.71
4. Step 4: Simplify right side
   8,651,495.82x = 42,369,444,801,744.06
5. Step 5: Solve for x
   x = 42,369,444,801,744.06/8,651,495.82
6. Step 6: Final answer
   x = 4,897,354.83