Finding the Fourth Proportional to 9,790.68, 14,680.98 and 3,945.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,790.68 : 14,680.98 = 3,945.72 : x
2. Step 2: Convert to fraction form
   9,790.68/14,680.98 = 3,945.72/x
3. Step 3: Cross multiply
   9,790.68x = 14,680.98 × 3,945.72
4. Step 4: Simplify right side
   9,790.68x = 57,927,036.41
5. Step 5: Solve for x
   x = 57,927,036.41/9,790.68
6. Step 6: Final answer
   x = 5,916.55