Finding the Fourth Proportional to 9,516.99, 14,275.89 and 2,943.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,516.99 : 14,275.89 = 2,943.30 : x
2. Step 2: Convert to fraction form
   9,516.99/14,275.89 = 2,943.30/x
3. Step 3: Cross multiply
   9,516.99x = 14,275.89 × 2,943.30
4. Step 4: Simplify right side
   9,516.99x = 42,018,212.32
5. Step 5: Solve for x
   x = 42,018,212.32/9,516.99
6. Step 6: Final answer
   x = 4,415.07