Finding the Fourth Proportional to 12,988.09, 17,923.27 and 7,322.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,988.09 : 17,923.27 = 7,322.83 : x
2. Step 2: Convert to fraction form
   12,988.09/17,923.27 = 7,322.83/x
3. Step 3: Cross multiply
   12,988.09x = 17,923.27 × 7,322.83
4. Step 4: Simplify right side
   12,988.09x = 131,249,059.25
5. Step 5: Solve for x
   x = 131,249,059.25/12,988.09
6. Step 6: Final answer
   x = 10,105.34