Finding the Fourth Proportional to 7,112.53, 9,816.16 and 4,281.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,112.53 : 9,816.16 = 4,281.37 : x
2. Step 2: Convert to fraction form
   7,112.53/9,816.16 = 4,281.37/x
3. Step 3: Cross multiply
   7,112.53x = 9,816.16 × 4,281.37
4. Step 4: Simplify right side
   7,112.53x = 42,026,591.53
5. Step 5: Solve for x
   x = 42,026,591.53/7,112.53
6. Step 6: Final answer
   x = 5,908.81