Finding the Fourth Proportional to 10,515.30, 15,769.71 and 3,493.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,515.30 : 15,769.71 = 3,493.82 : x
2. Step 2: Convert to fraction form
   10,515.30/15,769.71 = 3,493.82/x
3. Step 3: Cross multiply
   10,515.30x = 15,769.71 × 3,493.82
4. Step 4: Simplify right side
   10,515.30x = 55,096,449.34
5. Step 5: Solve for x
   x = 55,096,449.34/10,515.30
6. Step 6: Final answer
   x = 5,239.65