Finding the Fourth Proportional to 10,742.19, 16,115.85 and 4,498.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,742.19 : 16,115.85 = 4,498.71 : x
2. Step 2: Convert to fraction form
   10,742.19/16,115.85 = 4,498.71/x
3. Step 3: Cross multiply
   10,742.19x = 16,115.85 × 4,498.71
4. Step 4: Simplify right side
   10,742.19x = 72,500,535.55
5. Step 5: Solve for x
   x = 72,500,535.55/10,742.19
6. Step 6: Final answer
   x = 6,749.14