Finding the Fourth Proportional to 7,300.45, 10,074.90 and 4,115.01

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.45 : 10,074.90 = 4,115.01 : x
2. Step 2: Convert to fraction form
   7,300.45/10,074.90 = 4,115.01/x
3. Step 3: Cross multiply
   7,300.45x = 10,074.90 × 4,115.01
4. Step 4: Simplify right side
   7,300.45x = 41,458,314.25
5. Step 5: Solve for x
   x = 41,458,314.25/7,300.45
6. Step 6: Final answer
   x = 5,678.87