Finding the Fourth Proportional to 7,300.07, 10,072.31 and 4,112.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.07 : 10,072.31 = 4,112.75 : x
2. Step 2: Convert to fraction form
   7,300.07/10,072.31 = 4,112.75/x
3. Step 3: Cross multiply
   7,300.07x = 10,072.31 × 4,112.75
4. Step 4: Simplify right side
   7,300.07x = 41,424,892.95
5. Step 5: Solve for x
   x = 41,424,892.95/7,300.07
6. Step 6: Final answer
   x = 5,674.59