Finding the Fourth Proportional to 18,443.34, 27,670.41 and 7,907.82

Step by Step Solution

1. Step 1: Write the proportion equation
   18,443.34 : 27,670.41 = 7,907.82 : x
2. Step 2: Convert to fraction form
   18,443.34/27,670.41 = 7,907.82/x
3. Step 3: Cross multiply
   18,443.34x = 27,670.41 × 7,907.82
4. Step 4: Simplify right side
   18,443.34x = 218,812,621.61
5. Step 5: Solve for x
   x = 218,812,621.61/18,443.34
6. Step 6: Final answer
   x = 11,864.05