Finding the Fourth Proportional to 10,837.91, 16,250.72 and 4,260.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,837.91 : 16,250.72 = 4,260.51 : x
2. Step 2: Convert to fraction form
   10,837.91/16,250.72 = 4,260.51/x
3. Step 3: Cross multiply
   10,837.91x = 16,250.72 × 4,260.51
4. Step 4: Simplify right side
   10,837.91x = 69,236,333.76
5. Step 5: Solve for x
   x = 69,236,333.76/10,837.91
6. Step 6: Final answer
   x = 6,388.35