Finding the Fourth Proportional to 148,479, 222,714.18 and 54,982.68

Step by Step Solution

1. Step 1: Write the proportion equation
   148,479 : 222,714.18 = 54,982.68 : x
2. Step 2: Convert to fraction form
   148,479/222,714.18 = 54,982.68/x
3. Step 3: Cross multiply
   148,479x = 222,714.18 × 54,982.68
4. Step 4: Simplify right side
   148,479x = 12,245,422,490.40
5. Step 5: Solve for x
   x = 12,245,422,490.40/148,479
6. Step 6: Final answer
   x = 82,472.42