Finding the Fourth Proportional to 12,714.63, 19,068.40 and 7,085.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.63 : 19,068.40 = 7,085.37 : x
2. Step 2: Convert to fraction form
   12,714.63/19,068.40 = 7,085.37/x
3. Step 3: Cross multiply
   12,714.63x = 19,068.40 × 7,085.37
4. Step 4: Simplify right side
   12,714.63x = 135,106,669.31
5. Step 5: Solve for x
   x = 135,106,669.31/12,714.63
6. Step 6: Final answer
   x = 10,626.08