Finding the Fourth Proportional to 10,002.45, 13,802.49 and 5,526.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002.45 : 13,802.49 = 5,526.12 : x
2. Step 2: Convert to fraction form
   10,002.45/13,802.49 = 5,526.12/x
3. Step 3: Cross multiply
   10,002.45x = 13,802.49 × 5,526.12
4. Step 4: Simplify right side
   10,002.45x = 76,274,216.04
5. Step 5: Solve for x
   x = 76,274,216.04/10,002.45
6. Step 6: Final answer
   x = 7,625.55