Finding the Fourth Proportional to 13,059.65, 18,022.04 and 7,091.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,059.65 : 18,022.04 = 7,091.27 : x
2. Step 2: Convert to fraction form
   13,059.65/18,022.04 = 7,091.27/x
3. Step 3: Cross multiply
   13,059.65x = 18,022.04 × 7,091.27
4. Step 4: Simplify right side
   13,059.65x = 127,799,026.02
5. Step 5: Solve for x
   x = 127,799,026.02/13,059.65
6. Step 6: Final answer
   x = 9,785.80