Finding the Fourth Proportional to 6,442,419.24, 9,664,677.82 and 2,123,182.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,442,419.24 : 9,664,677.82 = 2,123,182.12 : x
2. Step 2: Convert to fraction form
   6,442,419.24/9,664,677.82 = 2,123,182.12/x
3. Step 3: Cross multiply
   6,442,419.24x = 9,664,677.82 × 2,123,182.12
4. Step 4: Simplify right side
   6,442,419.24x = 20,519,871,142,984.58
5. Step 5: Solve for x
   x = 20,519,871,142,984.58/6,442,419.24
6. Step 6: Final answer
   x = 3,185,118.88