Finding the Fourth Proportional to 12,636.99, 17,442.51 and 7,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,636.99 : 17,442.51 = 7,333.50 : x
2. Step 2: Convert to fraction form
   12,636.99/17,442.51 = 7,333.50/x
3. Step 3: Cross multiply
   12,636.99x = 17,442.51 × 7,333.50
4. Step 4: Simplify right side
   12,636.99x = 127,914,647.09
5. Step 5: Solve for x
   x = 127,914,647.09/12,636.99
6. Step 6: Final answer
   x = 10,122.24