Finding the Fourth Proportional to 10,002.22, 14,971.86 and 6,863.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002.22 : 14,971.86 = 6,863.88 : x
2. Step 2: Convert to fraction form
   10,002.22/14,971.86 = 6,863.88/x
3. Step 3: Cross multiply
   10,002.22x = 14,971.86 × 6,863.88
4. Step 4: Simplify right side
   10,002.22x = 102,765,050.42
5. Step 5: Solve for x
   x = 102,765,050.42/10,002.22
6. Step 6: Final answer
   x = 10,274.22