Finding the Fourth Proportional to 10,338.53, 15,510.13 and 3,764.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,338.53 : 15,510.13 = 3,764.78 : x
2. Step 2: Convert to fraction form
   10,338.53/15,510.13 = 3,764.78/x
3. Step 3: Cross multiply
   10,338.53x = 15,510.13 × 3,764.78
4. Step 4: Simplify right side
   10,338.53x = 58,392,227.22
5. Step 5: Solve for x
   x = 58,392,227.22/10,338.53
6. Step 6: Final answer
   x = 5,648.02