Finding the Fourth Proportional to 30,648.16, 42,279.97 and 26,219.49

Step by Step Solution

1. Step 1: Write the proportion equation
   30,648.16 : 42,279.97 = 26,219.49 : x
2. Step 2: Convert to fraction form
   30,648.16/42,279.97 = 26,219.49/x
3. Step 3: Cross multiply
   30,648.16x = 42,279.97 × 26,219.49
4. Step 4: Simplify right side
   30,648.16x = 1,108,559,250.62
5. Step 5: Solve for x
   x = 1,108,559,250.62/30,648.16
6. Step 6: Final answer
   x = 36,170.50