Finding the Fourth Proportional to 10,710.86, 16,066.71 and 2,919.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,710.86 : 16,066.71 = 2,919.65 : x
2. Step 2: Convert to fraction form
   10,710.86/16,066.71 = 2,919.65/x
3. Step 3: Cross multiply
   10,710.86x = 16,066.71 × 2,919.65
4. Step 4: Simplify right side
   10,710.86x = 46,909,089.52
5. Step 5: Solve for x
   x = 46,909,089.52/10,710.86
6. Step 6: Final answer
   x = 4,379.58