Finding the Fourth Proportional to 10,917.65, 16,374.89 and 5,369.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,917.65 : 16,374.89 = 5,369.51 : x
2. Step 2: Convert to fraction form
   10,917.65/16,374.89 = 5,369.51/x
3. Step 3: Cross multiply
   10,917.65x = 16,374.89 × 5,369.51
4. Step 4: Simplify right side
   10,917.65x = 87,925,189.96
5. Step 5: Solve for x
   x = 87,925,189.96/10,917.65
6. Step 6: Final answer
   x = 8,053.49