Finding the Fourth Proportional to 42,714.82, 58,974.16 and 38,230.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,714.82 : 58,974.16 = 38,230.79 : x
2. Step 2: Convert to fraction form
   42,714.82/58,974.16 = 38,230.79/x
3. Step 3: Cross multiply
   42,714.82x = 58,974.16 × 38,230.79
4. Step 4: Simplify right side
   42,714.82x = 2,254,628,726.39
5. Step 5: Solve for x
   x = 2,254,628,726.39/42,714.82
6. Step 6: Final answer
   x = 52,783.30