Finding the Fourth Proportional to 7,471.12, 10,287.89 and 7,305.36

Step by Step Solution

1. Step 1: Write the proportion equation
   7,471.12 : 10,287.89 = 7,305.36 : x
2. Step 2: Convert to fraction form
   7,471.12/10,287.89 = 7,305.36/x
3. Step 3: Cross multiply
   7,471.12x = 10,287.89 × 7,305.36
4. Step 4: Simplify right side
   7,471.12x = 75,156,762.41
5. Step 5: Solve for x
   x = 75,156,762.41/7,471.12
6. Step 6: Final answer
   x = 10,059.64