Finding the Fourth Proportional to 13,056.89, 18,018.23 and 7,088.51

Step by Step Solution

1. Step 1: Write the proportion equation
   13,056.89 : 18,018.23 = 7,088.51 : x
2. Step 2: Convert to fraction form
   13,056.89/18,018.23 = 7,088.51/x
3. Step 3: Cross multiply
   13,056.89x = 18,018.23 × 7,088.51
4. Step 4: Simplify right side
   13,056.89x = 127,722,313.45
5. Step 5: Solve for x
   x = 127,722,313.45/13,056.89
6. Step 6: Final answer
   x = 9,781.99