Finding the Fourth Proportional to 10,644.08, 15,953.79 and 5,025.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644.08 : 15,953.79 = 5,025.31 : x
2. Step 2: Convert to fraction form
   10,644.08/15,953.79 = 5,025.31/x
3. Step 3: Cross multiply
   10,644.08x = 15,953.79 × 5,025.31
4. Step 4: Simplify right side
   10,644.08x = 80,172,719.39
5. Step 5: Solve for x
   x = 80,172,719.39/10,644.08
6. Step 6: Final answer
   x = 7,532.15