Finding the Fourth Proportional to 20,741.53, 31,116.90 and 5,949.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,741.53 : 31,116.90 = 5,949.31 : x
2. Step 2: Convert to fraction form
   20,741.53/31,116.90 = 5,949.31/x
3. Step 3: Cross multiply
   20,741.53x = 31,116.90 × 5,949.31
4. Step 4: Simplify right side
   20,741.53x = 185,124,084.34
5. Step 5: Solve for x
   x = 185,124,084.34/20,741.53
6. Step 6: Final answer
   x = 8,925.29