Finding the Fourth Proportional to 13,045.84, 18,003.13 and 7,381.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,045.84 : 18,003.13 = 7,381.69 : x
2. Step 2: Convert to fraction form
   13,045.84/18,003.13 = 7,381.69/x
3. Step 3: Cross multiply
   13,045.84x = 18,003.13 × 7,381.69
4. Step 4: Simplify right side
   13,045.84x = 132,893,524.69
5. Step 5: Solve for x
   x = 132,893,524.69/13,045.84
6. Step 6: Final answer
   x = 10,186.66