Finding the Fourth Proportional to 13,056.56, 18,018.24 and 7,088.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,056.56 : 18,018.24 = 7,088.24 : x
2. Step 2: Convert to fraction form
   13,056.56/18,018.24 = 7,088.24/x
3. Step 3: Cross multiply
   13,056.56x = 18,018.24 × 7,088.24
4. Step 4: Simplify right side
   13,056.56x = 127,717,609.50
5. Step 5: Solve for x
   x = 127,717,609.50/13,056.56
6. Step 6: Final answer
   x = 9,781.87