Finding the Fourth Proportional to 7,287.03, 10,912.01 and 4,818.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,287.03 : 10,912.01 = 4,818.15 : x
2. Step 2: Convert to fraction form
   7,287.03/10,912.01 = 4,818.15/x
3. Step 3: Cross multiply
   7,287.03x = 10,912.01 × 4,818.15
4. Step 4: Simplify right side
   7,287.03x = 52,575,700.98
5. Step 5: Solve for x
   x = 52,575,700.98/7,287.03
6. Step 6: Final answer
   x = 7,214.97