Finding the Fourth Proportional to 13,435.01, 18,530.25 and 8,123.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,435.01 : 18,530.25 = 8,123.03 : x
2. Step 2: Convert to fraction form
   13,435.01/18,530.25 = 8,123.03/x
3. Step 3: Cross multiply
   13,435.01x = 18,530.25 × 8,123.03
4. Step 4: Simplify right side
   13,435.01x = 150,521,684.01
5. Step 5: Solve for x
   x = 150,521,684.01/13,435.01
6. Step 6: Final answer
   x = 11,203.69