Finding the Fourth Proportional to 7,179,165.42, 9,908,356.89 and 4,239,297.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,179,165.42 : 9,908,356.89 = 4,239,297.05 : x
2. Step 2: Convert to fraction form
   7,179,165.42/9,908,356.89 = 4,239,297.05/x
3. Step 3: Cross multiply
   7,179,165.42x = 9,908,356.89 × 4,239,297.05
4. Step 4: Simplify right side
   7,179,165.42x = 42,004,468,156,214.27
5. Step 5: Solve for x
   x = 42,004,468,156,214.27/7,179,165.42
6. Step 6: Final answer
   x = 5,850,884.56