Finding the Fourth Proportional to 13,053.83, 18,014.42 and 7,085.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,053.83 : 18,014.42 = 7,085.56 : x
2. Step 2: Convert to fraction form
   13,053.83/18,014.42 = 7,085.56/x
3. Step 3: Cross multiply
   13,053.83x = 18,014.42 × 7,085.56
4. Step 4: Simplify right side
   13,053.83x = 127,642,253.78
5. Step 5: Solve for x
   x = 127,642,253.78/13,053.83
6. Step 6: Final answer
   x = 9,778.15