Finding the Fourth Proportional to 20,461.98, 30,693.60 and 5,671.02

Step by Step Solution

1. Step 1: Write the proportion equation
   20,461.98 : 30,693.60 = 5,671.02 : x
2. Step 2: Convert to fraction form
   20,461.98/30,693.60 = 5,671.02/x
3. Step 3: Cross multiply
   20,461.98x = 30,693.60 × 5,671.02
4. Step 4: Simplify right side
   20,461.98x = 174,064,019.47
5. Step 5: Solve for x
   x = 174,064,019.47/20,461.98
6. Step 6: Final answer
   x = 8,506.70