Finding the Fourth Proportional to 9,340.82, 12,914.93 and 8,927.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,340.82 : 12,914.93 = 8,927.72 : x
2. Step 2: Convert to fraction form
   9,340.82/12,914.93 = 8,927.72/x
3. Step 3: Cross multiply
   9,340.82x = 12,914.93 × 8,927.72
4. Step 4: Simplify right side
   9,340.82x = 115,300,769.65
5. Step 5: Solve for x
   x = 115,300,769.65/9,340.82
6. Step 6: Final answer
   x = 12,343.76