Finding the Fourth Proportional to 10,005, 13,807.10 and 5,528.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,005 : 13,807.10 = 5,528.94 : x
2. Step 2: Convert to fraction form
   10,005/13,807.10 = 5,528.94/x
3. Step 3: Cross multiply
   10,005x = 13,807.10 × 5,528.94
4. Step 4: Simplify right side
   10,005x = 76,338,627.47
5. Step 5: Solve for x
   x = 76,338,627.47/10,005
6. Step 6: Final answer
   x = 7,630.05