Finding the Fourth Proportional to 7,917.93, 10,922.18 and 5,123.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,917.93 : 10,922.18 = 5,123.43 : x
2. Step 2: Convert to fraction form
   7,917.93/10,922.18 = 5,123.43/x
3. Step 3: Cross multiply
   7,917.93x = 10,922.18 × 5,123.43
4. Step 4: Simplify right side
   7,917.93x = 55,958,999.06
5. Step 5: Solve for x
   x = 55,958,999.06/7,917.93
6. Step 6: Final answer
   x = 7,067.38