Finding the Fourth Proportional to 10,012.68, 13,816.37 and 5,535.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012.68 : 13,816.37 = 5,535.81 : x
2. Step 2: Convert to fraction form
   10,012.68/13,816.37 = 5,535.81/x
3. Step 3: Cross multiply
   10,012.68x = 13,816.37 × 5,535.81
4. Step 4: Simplify right side
   10,012.68x = 76,484,813.05
5. Step 5: Solve for x
   x = 76,484,813.05/10,012.68
6. Step 6: Final answer
   x = 7,638.80