Finding the Fourth Proportional to 3,507,187.42, 4,839,399.72 and 2,129,814.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,507,187.42 : 4,839,399.72 = 2,129,814.82 : x
2. Step 2: Convert to fraction form
   3,507,187.42/4,839,399.72 = 2,129,814.82/x
3. Step 3: Cross multiply
   3,507,187.42x = 4,839,399.72 × 2,129,814.82
4. Step 4: Simplify right side
   3,507,187.42x = 10,307,025,243,559.85
5. Step 5: Solve for x
   x = 10,307,025,243,559.85/3,507,187.42
6. Step 6: Final answer
   x = 2,938,829.33