Finding the Fourth Proportional to 10,602.86, 14,613.56 and 7,945.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,602.86 : 14,613.56 = 7,945.65 : x
2. Step 2: Convert to fraction form
   10,602.86/14,613.56 = 7,945.65/x
3. Step 3: Cross multiply
   10,602.86x = 14,613.56 × 7,945.65
4. Step 4: Simplify right side
   10,602.86x = 116,114,193.29
5. Step 5: Solve for x
   x = 116,114,193.29/10,602.86
6. Step 6: Final answer
   x = 10,951.22