Finding the Fourth Proportional to 9,516.80, 14,276.56 and 2,943.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,516.80 : 14,276.56 = 2,943.56 : x
2. Step 2: Convert to fraction form
   9,516.80/14,276.56 = 2,943.56/x
3. Step 3: Cross multiply
   9,516.80x = 14,276.56 × 2,943.56
4. Step 4: Simplify right side
   9,516.80x = 42,023,910.95
5. Step 5: Solve for x
   x = 42,023,910.95/9,516.80
6. Step 6: Final answer
   x = 4,415.76