Finding the Fourth Proportional to 20,741.76, 31,106.25 and 5,946.72

Step by Step Solution

1. Step 1: Write the proportion equation
   20,741.76 : 31,106.25 = 5,946.72 : x
2. Step 2: Convert to fraction form
   20,741.76/31,106.25 = 5,946.72/x
3. Step 3: Cross multiply
   20,741.76x = 31,106.25 × 5,946.72
4. Step 4: Simplify right side
   20,741.76x = 184,980,159
5. Step 5: Solve for x
   x = 184,980,159/20,741.76
6. Step 6: Final answer
   x = 8,918.25