Finding the Fourth Proportional to 7,200,233.82, 10,800,361.20 and 2,940,402.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200,233.82 : 10,800,361.20 = 2,940,402.06 : x
2. Step 2: Convert to fraction form
   7,200,233.82/10,800,361.20 = 2,940,402.06/x
3. Step 3: Cross multiply
   7,200,233.82x = 10,800,361.20 × 2,940,402.06
4. Step 4: Simplify right side
   7,200,233.82x = 31,757,404,321,224.07
5. Step 5: Solve for x
   x = 31,757,404,321,224.07/7,200,233.82
6. Step 6: Final answer
   x = 4,410,607.37