Finding the Fourth Proportional to 10,873.98, 14,997.78 and 9,364.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,873.98 : 14,997.78 = 9,364.16 : x
2. Step 2: Convert to fraction form
   10,873.98/14,997.78 = 9,364.16/x
3. Step 3: Cross multiply
   10,873.98x = 14,997.78 × 9,364.16
4. Step 4: Simplify right side
   10,873.98x = 140,441,536.58
5. Step 5: Solve for x
   x = 140,441,536.58/10,873.98
6. Step 6: Final answer
   x = 12,915.38