Finding the Fourth Proportional to 10,005.45, 13,807.83 and 5,529.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,005.45 : 13,807.83 = 5,529.34 : x
2. Step 2: Convert to fraction form
   10,005.45/13,807.83 = 5,529.34/x
3. Step 3: Cross multiply
   10,005.45x = 13,807.83 × 5,529.34
4. Step 4: Simplify right side
   10,005.45x = 76,348,186.73
5. Step 5: Solve for x
   x = 76,348,186.73/10,005.45
6. Step 6: Final answer
   x = 7,630.66