Finding the Fourth Proportional to 10,004.72, 13,807.35 and 5,529.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,004.72 : 13,807.35 = 5,529.35 : x
2. Step 2: Convert to fraction form
   10,004.72/13,807.35 = 5,529.35/x
3. Step 3: Cross multiply
   10,004.72x = 13,807.35 × 5,529.35
4. Step 4: Simplify right side
   10,004.72x = 76,345,574.04
5. Step 5: Solve for x
   x = 76,345,574.04/10,004.72
6. Step 6: Final answer
   x = 7,630.96