Finding the Fourth Proportional to 10,012.23, 13,816.91 and 5,535.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012.23 : 13,816.91 = 5,535.99 : x
2. Step 2: Convert to fraction form
   10,012.23/13,816.91 = 5,535.99/x
3. Step 3: Cross multiply
   10,012.23x = 13,816.91 × 5,535.99
4. Step 4: Simplify right side
   10,012.23x = 76,490,289.43
5. Step 5: Solve for x
   x = 76,490,289.43/10,012.23
6. Step 6: Final answer
   x = 7,639.69