Finding the Fourth Proportional to 20,644.88, 30,967.62 and 5,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,644.88 : 30,967.62 = 5,062.50 : x
2. Step 2: Convert to fraction form
   20,644.88/30,967.62 = 5,062.50/x
3. Step 3: Cross multiply
   20,644.88x = 30,967.62 × 5,062.50
4. Step 4: Simplify right side
   20,644.88x = 156,773,557.27
5. Step 5: Solve for x
   x = 156,773,557.27/20,644.88
6. Step 6: Final answer
   x = 7,593.82