Finding the Fourth Proportional to 10,005.59, 13,807.73 and 5,529.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,005.59 : 13,807.73 = 5,529.67 : x
2. Step 2: Convert to fraction form
   10,005.59/13,807.73 = 5,529.67/x
3. Step 3: Cross multiply
   10,005.59x = 13,807.73 × 5,529.67
4. Step 4: Simplify right side
   10,005.59x = 76,352,169.65
5. Step 5: Solve for x
   x = 76,352,169.65/10,005.59
6. Step 6: Final answer
   x = 7,630.95