Finding the Fourth Proportional to 10,730.16, 14,812.82 and 7,151.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,730.16 : 14,812.82 = 7,151.09 : x
2. Step 2: Convert to fraction form
   10,730.16/14,812.82 = 7,151.09/x
3. Step 3: Cross multiply
   10,730.16x = 14,812.82 × 7,151.09
4. Step 4: Simplify right side
   10,730.16x = 105,927,699.15
5. Step 5: Solve for x
   x = 105,927,699.15/10,730.16
6. Step 6: Final answer
   x = 9,871.96