Finding the Fourth Proportional to 7,040,072.10, 9,714,496.32 and 3,942,164.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,040,072.10 : 9,714,496.32 = 3,942,164.72 : x
2. Step 2: Convert to fraction form
   7,040,072.10/9,714,496.32 = 3,942,164.72/x
3. Step 3: Cross multiply
   7,040,072.10x = 9,714,496.32 × 3,942,164.72
4. Step 4: Simplify right side
   7,040,072.10x = 38,296,144,665,273.84
5. Step 5: Solve for x
   x = 38,296,144,665,273.84/7,040,072.10
6. Step 6: Final answer
   x = 5,439,737.57