Finding the Fourth Proportional to 10,215.81, 15,302.18 and 4,673.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,215.81 : 15,302.18 = 4,673.82 : x
2. Step 2: Convert to fraction form
   10,215.81/15,302.18 = 4,673.82/x
3. Step 3: Cross multiply
   10,215.81x = 15,302.18 × 4,673.82
4. Step 4: Simplify right side
   10,215.81x = 71,519,611.56
5. Step 5: Solve for x
   x = 71,519,611.56/10,215.81
6. Step 6: Final answer
   x = 7,000.88