Finding the Fourth Proportional to 13,885.98, 19,162.60 and 7,512.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,885.98 : 19,162.60 = 7,512.58 : x
2. Step 2: Convert to fraction form
   13,885.98/19,162.60 = 7,512.58/x
3. Step 3: Cross multiply
   13,885.98x = 19,162.60 × 7,512.58
4. Step 4: Simplify right side
   13,885.98x = 143,960,498.82
5. Step 5: Solve for x
   x = 143,960,498.82/13,885.98
6. Step 6: Final answer
   x = 10,367.33