Finding the Fourth Proportional to 13,223.82, 18,250.06 and 7,256.66

Step by Step Solution

1. Step 1: Write the proportion equation
   13,223.82 : 18,250.06 = 7,256.66 : x
2. Step 2: Convert to fraction form
   13,223.82/18,250.06 = 7,256.66/x
3. Step 3: Cross multiply
   13,223.82x = 18,250.06 × 7,256.66
4. Step 4: Simplify right side
   13,223.82x = 132,434,384.61
5. Step 5: Solve for x
   x = 132,434,384.61/13,223.82
6. Step 6: Final answer
   x = 10,014.83