Finding the Fourth Proportional to 12,509.34, 17,263.94 and 7,133.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,509.34 : 17,263.94 = 7,133.40 : x
2. Step 2: Convert to fraction form
   12,509.34/17,263.94 = 7,133.40/x
3. Step 3: Cross multiply
   12,509.34x = 17,263.94 × 7,133.40
4. Step 4: Simplify right side
   12,509.34x = 123,150,553.93
5. Step 5: Solve for x
   x = 123,150,553.93/12,509.34
6. Step 6: Final answer
   x = 9,844.69