Finding the Fourth Proportional to 7,114.86, 10,672.38 and 1,920.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,114.86 : 10,672.38 = 1,920.84 : x
2. Step 2: Convert to fraction form
   7,114.86/10,672.38 = 1,920.84/x
3. Step 3: Cross multiply
   7,114.86x = 10,672.38 × 1,920.84
4. Step 4: Simplify right side
   7,114.86x = 20,499,934.40
5. Step 5: Solve for x
   x = 20,499,934.40/7,114.86
6. Step 6: Final answer
   x = 2,881.28