Finding the Fourth Proportional to 20,260.53, 30,404.37 and 7,112.94

Step by Step Solution

1. Step 1: Write the proportion equation
   20,260.53 : 30,404.37 = 7,112.94 : x
2. Step 2: Convert to fraction form
   20,260.53/30,404.37 = 7,112.94/x
3. Step 3: Cross multiply
   20,260.53x = 30,404.37 × 7,112.94
4. Step 4: Simplify right side
   20,260.53x = 216,264,459.55
5. Step 5: Solve for x
   x = 216,264,459.55/20,260.53
6. Step 6: Final answer
   x = 10,674.18