Finding the Fourth Proportional to 13,053.93, 18,014.43 and 7,085.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,053.93 : 18,014.43 = 7,085.59 : x
2. Step 2: Convert to fraction form
   13,053.93/18,014.43 = 7,085.59/x
3. Step 3: Cross multiply
   13,053.93x = 18,014.43 × 7,085.59
4. Step 4: Simplify right side
   13,053.93x = 127,642,865.06
5. Step 5: Solve for x
   x = 127,642,865.06/13,053.93
6. Step 6: Final answer
   x = 9,778.12