Finding the Fourth Proportional to 6,917.52, 10,350.72 and 4,145.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,917.52 : 10,350.72 = 4,145.76 : x
2. Step 2: Convert to fraction form
   6,917.52/10,350.72 = 4,145.76/x
3. Step 3: Cross multiply
   6,917.52x = 10,350.72 × 4,145.76
4. Step 4: Simplify right side
   6,917.52x = 42,911,600.95
5. Step 5: Solve for x
   x = 42,911,600.95/6,917.52
6. Step 6: Final answer
   x = 6,203.32