Finding the Fourth Proportional to 57,967, 86,925.18 and 20,514.63

Step by Step Solution

1. Step 1: Write the proportion equation
   57,967 : 86,925.18 = 20,514.63 : x
2. Step 2: Convert to fraction form
   57,967/86,925.18 = 20,514.63/x
3. Step 3: Cross multiply
   57,967x = 86,925.18 × 20,514.63
4. Step 4: Simplify right side
   57,967x = 1,783,237,905.38
5. Step 5: Solve for x
   x = 1,783,237,905.38/57,967
6. Step 6: Final answer
   x = 30,762.98