Finding the Fourth Proportional to 13,060.01, 18,022.31 and 7,091.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,060.01 : 18,022.31 = 7,091.55 : x
2. Step 2: Convert to fraction form
   13,060.01/18,022.31 = 7,091.55/x
3. Step 3: Cross multiply
   13,060.01x = 18,022.31 × 7,091.55
4. Step 4: Simplify right side
   13,060.01x = 127,806,112.48
5. Step 5: Solve for x
   x = 127,806,112.48/13,060.01
6. Step 6: Final answer
   x = 9,786.07