Finding the Fourth Proportional to 12,678.76, 19,007.34 and 4,893.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,678.76 : 19,007.34 = 4,893.04 : x
2. Step 2: Convert to fraction form
   12,678.76/19,007.34 = 4,893.04/x
3. Step 3: Cross multiply
   12,678.76x = 19,007.34 × 4,893.04
4. Step 4: Simplify right side
   12,678.76x = 93,003,674.91
5. Step 5: Solve for x
   x = 93,003,674.91/12,678.76
6. Step 6: Final answer
   x = 7,335.39