Finding the Fourth Proportional to 10,002.86, 13,803.72 and 5,526.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002.86 : 13,803.72 = 5,526.62 : x
2. Step 2: Convert to fraction form
   10,002.86/13,803.72 = 5,526.62/x
3. Step 3: Cross multiply
   10,002.86x = 13,803.72 × 5,526.62
4. Step 4: Simplify right side
   10,002.86x = 76,287,915.03
5. Step 5: Solve for x
   x = 76,287,915.03/10,002.86
6. Step 6: Final answer
   x = 7,626.61