Finding the Fourth Proportional to 7,180.05, 9,907.00 and 4,195.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,180.05 : 9,907.00 = 4,195.30 : x
2. Step 2: Convert to fraction form
   7,180.05/9,907.00 = 4,195.30/x
3. Step 3: Cross multiply
   7,180.05x = 9,907.00 × 4,195.30
4. Step 4: Simplify right side
   7,180.05x = 41,562,840.89
5. Step 5: Solve for x
   x = 41,562,840.89/7,180.05
6. Step 6: Final answer
   x = 5,788.66