Finding the Fourth Proportional to 9,342.76, 12,892.50 and 5,150.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,342.76 : 12,892.50 = 5,150.68 : x
2. Step 2: Convert to fraction form
   9,342.76/12,892.50 = 5,150.68/x
3. Step 3: Cross multiply
   9,342.76x = 12,892.50 × 5,150.68
4. Step 4: Simplify right side
   9,342.76x = 66,405,141.90
5. Step 5: Solve for x
   x = 66,405,141.90/9,342.76
6. Step 6: Final answer
   x = 7,107.66