Finding the Fourth Proportional to 18,384.63, 27,576.72 and 5,237.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,384.63 : 27,576.72 = 5,237.10 : x
2. Step 2: Convert to fraction form
   18,384.63/27,576.72 = 5,237.10/x
3. Step 3: Cross multiply
   18,384.63x = 27,576.72 × 5,237.10
4. Step 4: Simplify right side
   18,384.63x = 144,422,040.31
5. Step 5: Solve for x
   x = 144,422,040.31/18,384.63
6. Step 6: Final answer
   x = 7,855.59