Finding the Fourth Proportional to 9,022.51, 12,450.69 and 5,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,022.51 : 12,450.69 = 5,245.50 : x
2. Step 2: Convert to fraction form
   9,022.51/12,450.69 = 5,245.50/x
3. Step 3: Cross multiply
   9,022.51x = 12,450.69 × 5,245.50
4. Step 4: Simplify right side
   9,022.51x = 65,310,094.40
5. Step 5: Solve for x
   x = 65,310,094.40/9,022.51
6. Step 6: Final answer
   x = 7,238.57