Finding the Fourth Proportional to 10,013.32, 13,817.99 and 5,536.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,013.32 : 13,817.99 = 5,536.78 : x
2. Step 2: Convert to fraction form
   10,013.32/13,817.99 = 5,536.78/x
3. Step 3: Cross multiply
   10,013.32x = 13,817.99 × 5,536.78
4. Step 4: Simplify right side
   10,013.32x = 76,507,170.67
5. Step 5: Solve for x
   x = 76,507,170.67/10,013.32
6. Step 6: Final answer
   x = 7,640.54