Finding the Fourth Proportional to 13,019.58, 19,532.27 and 7,173.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.58 : 19,532.27 = 7,173.18 : x
2. Step 2: Convert to fraction form
   13,019.58/19,532.27 = 7,173.18/x
3. Step 3: Cross multiply
   13,019.58x = 19,532.27 × 7,173.18
4. Step 4: Simplify right side
   13,019.58x = 140,108,488.52
5. Step 5: Solve for x
   x = 140,108,488.52/13,019.58
6. Step 6: Final answer
   x = 10,761.37