Finding the Fourth Proportional to 7,914.99, 10,919.61 and 5,081.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,914.99 : 10,919.61 = 5,081.61 : x
2. Step 2: Convert to fraction form
   7,914.99/10,919.61 = 5,081.61/x
3. Step 3: Cross multiply
   7,914.99x = 10,919.61 × 5,081.61
4. Step 4: Simplify right side
   7,914.99x = 55,489,199.37
5. Step 5: Solve for x
   x = 55,489,199.37/7,914.99
6. Step 6: Final answer
   x = 7,010.65