Finding the Fourth Proportional to 12,875.41, 17,763.93 and 7,209.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,875.41 : 17,763.93 = 7,209.33 : x
2. Step 2: Convert to fraction form
   12,875.41/17,763.93 = 7,209.33/x
3. Step 3: Cross multiply
   12,875.41x = 17,763.93 × 7,209.33
4. Step 4: Simplify right side
   12,875.41x = 128,066,033.47
5. Step 5: Solve for x
   x = 128,066,033.47/12,875.41
6. Step 6: Final answer
   x = 9,946.56