Finding the Fourth Proportional to 10,915.25, 15,063.05 and 5,947.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,915.25 : 15,063.05 = 5,947.25 : x
2. Step 2: Convert to fraction form
   10,915.25/15,063.05 = 5,947.25/x
3. Step 3: Cross multiply
   10,915.25x = 15,063.05 × 5,947.25
4. Step 4: Simplify right side
   10,915.25x = 89,583,694.38
5. Step 5: Solve for x
   x = 89,583,694.38/10,915.25
6. Step 6: Final answer
   x = 8,207.21