Finding the Fourth Proportional to 7,383,321.48, 10,187,765.46 and 4,120,128.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,383,321.48 : 10,187,765.46 = 4,120,128.42 : x
2. Step 2: Convert to fraction form
   7,383,321.48/10,187,765.46 = 4,120,128.42/x
3. Step 3: Cross multiply
   7,383,321.48x = 10,187,765.46 × 4,120,128.42
4. Step 4: Simplify right side
   7,383,321.48x = 41,974,902,008,040.38
5. Step 5: Solve for x
   x = 41,974,902,008,040.38/7,383,321.48
6. Step 6: Final answer
   x = 5,685,097.44