Finding the Fourth Proportional to 10,013.36, 13,818.74 and 5,476.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,013.36 : 13,818.74 = 5,476.31 : x
2. Step 2: Convert to fraction form
   10,013.36/13,818.74 = 5,476.31/x
3. Step 3: Cross multiply
   10,013.36x = 13,818.74 × 5,476.31
4. Step 4: Simplify right side
   10,013.36x = 75,675,711.21
5. Step 5: Solve for x
   x = 75,675,711.21/10,013.36
6. Step 6: Final answer
   x = 7,557.47