Finding the Fourth Proportional to 13,806.26, 19,051.98 and 7,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,806.26 : 19,051.98 = 7,518.50 : x
2. Step 2: Convert to fraction form
   13,806.26/19,051.98 = 7,518.50/x
3. Step 3: Cross multiply
   13,806.26x = 19,051.98 × 7,518.50
4. Step 4: Simplify right side
   13,806.26x = 143,242,311.63
5. Step 5: Solve for x
   x = 143,242,311.63/13,806.26
6. Step 6: Final answer
   x = 10,375.17