Finding the Fourth Proportional to 7,219.59, 10,806.69 and 7,051.11

Step by Step Solution

1. Step 1: Write the proportion equation
   7,219.59 : 10,806.69 = 7,051.11 : x
2. Step 2: Convert to fraction form
   7,219.59/10,806.69 = 7,051.11/x
3. Step 3: Cross multiply
   7,219.59x = 10,806.69 × 7,051.11
4. Step 4: Simplify right side
   7,219.59x = 76,199,159.93
5. Step 5: Solve for x
   x = 76,199,159.93/7,219.59
6. Step 6: Final answer
   x = 10,554.50