Finding the Fourth Proportional to 12,025.94, 18,048.20 and 7,864.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,025.94 : 18,048.20 = 7,864.82 : x
2. Step 2: Convert to fraction form
   12,025.94/18,048.20 = 7,864.82/x
3. Step 3: Cross multiply
   12,025.94x = 18,048.20 × 7,864.82
4. Step 4: Simplify right side
   12,025.94x = 141,945,844.32
5. Step 5: Solve for x
   x = 141,945,844.32/12,025.94
6. Step 6: Final answer
   x = 11,803.31