Finding the Fourth Proportional to 12,762.60, 19,111.72 and 8,068.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.60 : 19,111.72 = 8,068.36 : x
2. Step 2: Convert to fraction form
   12,762.60/19,111.72 = 8,068.36/x
3. Step 3: Cross multiply
   12,762.60x = 19,111.72 × 8,068.36
4. Step 4: Simplify right side
   12,762.60x = 154,200,237.18
5. Step 5: Solve for x
   x = 154,200,237.18/12,762.60
6. Step 6: Final answer
   x = 12,082.20