Finding the Fourth Proportional to 18,582.31, 25,643.60 and 10,624.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,582.31 : 25,643.60 = 10,624.69 : x
2. Step 2: Convert to fraction form
   18,582.31/25,643.60 = 10,624.69/x
3. Step 3: Cross multiply
   18,582.31x = 25,643.60 × 10,624.69
4. Step 4: Simplify right side
   18,582.31x = 272,455,300.48
5. Step 5: Solve for x
   x = 272,455,300.48/18,582.31
6. Step 6: Final answer
   x = 14,662.08