Finding the Fourth Proportional to 10,011.35, 13,815.57 and 5,535

Step by Step Solution

1. Step 1: Write the proportion equation
   10,011.35 : 13,815.57 = 5,535 : x
2. Step 2: Convert to fraction form
   10,011.35/13,815.57 = 5,535/x
3. Step 3: Cross multiply
   10,011.35x = 13,815.57 × 5,535
4. Step 4: Simplify right side
   10,011.35x = 76,469,179.95
5. Step 5: Solve for x
   x = 76,469,179.95/10,011.35
6. Step 6: Final answer
   x = 7,638.25