Finding the Fourth Proportional to 7,481.21, 10,323.60 and 4,124.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,481.21 : 10,323.60 = 4,124.05 : x
2. Step 2: Convert to fraction form
   7,481.21/10,323.60 = 4,124.05/x
3. Step 3: Cross multiply
   7,481.21x = 10,323.60 × 4,124.05
4. Step 4: Simplify right side
   7,481.21x = 42,575,052.89
5. Step 5: Solve for x
   x = 42,575,052.89/7,481.21
6. Step 6: Final answer
   x = 5,690.93