Finding the Fourth Proportional to 20,705.42, 31,062.23 and 5,914.47

Step by Step Solution

1. Step 1: Write the proportion equation
   20,705.42 : 31,062.23 = 5,914.47 : x
2. Step 2: Convert to fraction form
   20,705.42/31,062.23 = 5,914.47/x
3. Step 3: Cross multiply
   20,705.42x = 31,062.23 × 5,914.47
4. Step 4: Simplify right side
   20,705.42x = 183,716,595.10
5. Step 5: Solve for x
   x = 183,716,595.10/20,705.42
6. Step 6: Final answer
   x = 8,872.87