Finding the Fourth Proportional to 10,095.39, 15,137.31 and 4,256.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,095.39 : 15,137.31 = 4,256.10 : x
2. Step 2: Convert to fraction form
   10,095.39/15,137.31 = 4,256.10/x
3. Step 3: Cross multiply
   10,095.39x = 15,137.31 × 4,256.10
4. Step 4: Simplify right side
   10,095.39x = 64,425,905.09
5. Step 5: Solve for x
   x = 64,425,905.09/10,095.39
6. Step 6: Final answer
   x = 6,381.72