Finding the Fourth Proportional to 10,010.72, 13,813.74 and 5,533.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.72 : 13,813.74 = 5,533.75 : x
2. Step 2: Convert to fraction form
   10,010.72/13,813.74 = 5,533.75/x
3. Step 3: Cross multiply
   10,010.72x = 13,813.74 × 5,533.75
4. Step 4: Simplify right side
   10,010.72x = 76,441,800.99
5. Step 5: Solve for x
   x = 76,441,800.99/10,010.72
6. Step 6: Final answer
   x = 7,635.99