Finding the Fourth Proportional to 9,039.21, 12,473.75 and 5,262.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,039.21 : 12,473.75 = 5,262.49 : x
2. Step 2: Convert to fraction form
   9,039.21/12,473.75 = 5,262.49/x
3. Step 3: Cross multiply
   9,039.21x = 12,473.75 × 5,262.49
4. Step 4: Simplify right side
   9,039.21x = 65,642,931.28
5. Step 5: Solve for x
   x = 65,642,931.28/9,039.21
6. Step 6: Final answer
   x = 7,262.02