Finding the Fourth Proportional to 20,884.66, 31,326.83 and 5,302.42

Step by Step Solution

1. Step 1: Write the proportion equation
   20,884.66 : 31,326.83 = 5,302.42 : x
2. Step 2: Convert to fraction form
   20,884.66/31,326.83 = 5,302.42/x
3. Step 3: Cross multiply
   20,884.66x = 31,326.83 × 5,302.42
4. Step 4: Simplify right side
   20,884.66x = 166,108,009.93
5. Step 5: Solve for x
   x = 166,108,009.93/20,884.66
6. Step 6: Final answer
   x = 7,953.59