Finding the Fourth Proportional to 13,060.02, 18,022.72 and 7,091.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,060.02 : 18,022.72 = 7,091.56 : x
2. Step 2: Convert to fraction form
   13,060.02/18,022.72 = 7,091.56/x
3. Step 3: Cross multiply
   13,060.02x = 18,022.72 × 7,091.56
4. Step 4: Simplify right side
   13,060.02x = 127,809,200.24
5. Step 5: Solve for x
   x = 127,809,200.24/13,060.02
6. Step 6: Final answer
   x = 9,786.29