Finding the Fourth Proportional to 10,498.56, 15,750.72 and 4,254.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,498.56 : 15,750.72 = 4,254.72 : x
2. Step 2: Convert to fraction form
   10,498.56/15,750.72 = 4,254.72/x
3. Step 3: Cross multiply
   10,498.56x = 15,750.72 × 4,254.72
4. Step 4: Simplify right side
   10,498.56x = 67,014,903.40
5. Step 5: Solve for x
   x = 67,014,903.40/10,498.56
6. Step 6: Final answer
   x = 6,383.25