Finding the Fourth Proportional to 13,806.35, 19,052.98 and 7,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,806.35 : 19,052.98 = 7,518.72 : x
2. Step 2: Convert to fraction form
   13,806.35/19,052.98 = 7,518.72/x
3. Step 3: Cross multiply
   13,806.35x = 19,052.98 × 7,518.72
4. Step 4: Simplify right side
   13,806.35x = 143,254,021.79
5. Step 5: Solve for x
   x = 143,254,021.79/13,806.35
6. Step 6: Final answer
   x = 10,375.95