Finding the Fourth Proportional to 34,978.72, 48,262.08 and 22,420.48

Step by Step Solution

1. Step 1: Write the proportion equation
   34,978.72 : 48,262.08 = 22,420.48 : x
2. Step 2: Convert to fraction form
   34,978.72/48,262.08 = 22,420.48/x
3. Step 3: Cross multiply
   34,978.72x = 48,262.08 × 22,420.48
4. Step 4: Simplify right side
   34,978.72x = 1,082,058,999.40
5. Step 5: Solve for x
   x = 1,082,058,999.40/34,978.72
6. Step 6: Final answer
   x = 30,934.78