Finding the Fourth Proportional to 10,250.02, 14,106.16 and 9,307.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,250.02 : 14,106.16 = 9,307.78 : x
2. Step 2: Convert to fraction form
   10,250.02/14,106.16 = 9,307.78/x
3. Step 3: Cross multiply
   10,250.02x = 14,106.16 × 9,307.78
4. Step 4: Simplify right side
   10,250.02x = 131,297,033.92
5. Step 5: Solve for x
   x = 131,297,033.92/10,250.02
6. Step 6: Final answer
   x = 12,809.44