Finding the Fourth Proportional to 13,056.56, 18,020.33 and 7,751.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,056.56 : 18,020.33 = 7,751.27 : x
2. Step 2: Convert to fraction form
   13,056.56/18,020.33 = 7,751.27/x
3. Step 3: Cross multiply
   13,056.56x = 18,020.33 × 7,751.27
4. Step 4: Simplify right side
   13,056.56x = 139,680,387.13
5. Step 5: Solve for x
   x = 139,680,387.13/13,056.56
6. Step 6: Final answer
   x = 10,698.10