Finding the Fourth Proportional to 28,258.34, 42,382.71 and 7,483.94

Step by Step Solution

1. Step 1: Write the proportion equation
   28,258.34 : 42,382.71 = 7,483.94 : x
2. Step 2: Convert to fraction form
   28,258.34/42,382.71 = 7,483.94/x
3. Step 3: Cross multiply
   28,258.34x = 42,382.71 × 7,483.94
4. Step 4: Simplify right side
   28,258.34x = 317,189,658.68
5. Step 5: Solve for x
   x = 317,189,658.68/28,258.34
6. Step 6: Final answer
   x = 11,224.64