Finding the Fourth Proportional to 7,428.56, 10,250.94 and 4,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,428.56 : 10,250.94 = 4,284.50 : x
2. Step 2: Convert to fraction form
   7,428.56/10,250.94 = 4,284.50/x
3. Step 3: Cross multiply
   7,428.56x = 10,250.94 × 4,284.50
4. Step 4: Simplify right side
   7,428.56x = 43,920,152.43
5. Step 5: Solve for x
   x = 43,920,152.43/7,428.56
6. Step 6: Final answer
   x = 5,912.34