Finding the Fourth Proportional to 3,517,061.48, 5,272,836.24 and 1,388,738.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,517,061.48 : 5,272,836.24 = 1,388,738.69 : x
2. Step 2: Convert to fraction form
   3,517,061.48/5,272,836.24 = 1,388,738.69/x
3. Step 3: Cross multiply
   3,517,061.48x = 5,272,836.24 × 1,388,738.69
4. Step 4: Simplify right side
   3,517,061.48x = 7,322,591,691,138.85
5. Step 5: Solve for x
   x = 7,322,591,691,138.85/3,517,061.48
6. Step 6: Final answer
   x = 2,082,019.82