Finding the Fourth Proportional to 13,053.83, 18,014.18 and 7,085.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,053.83 : 18,014.18 = 7,085.36 : x
2. Step 2: Convert to fraction form
   13,053.83/18,014.18 = 7,085.36/x
3. Step 3: Cross multiply
   13,053.83x = 18,014.18 × 7,085.36
4. Step 4: Simplify right side
   13,053.83x = 127,636,824.91
5. Step 5: Solve for x
   x = 127,636,824.91/13,053.83
6. Step 6: Final answer
   x = 9,777.73