Finding the Fourth Proportional to 42,717.82, 58,978.31 and 38,233.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,717.82 : 58,978.31 = 38,233.79 : x
2. Step 2: Convert to fraction form
   42,717.82/58,978.31 = 38,233.79/x
3. Step 3: Cross multiply
   42,717.82x = 58,978.31 × 38,233.79
4. Step 4: Simplify right side
   42,717.82x = 2,254,964,319.09
5. Step 5: Solve for x
   x = 2,254,964,319.09/42,717.82
6. Step 6: Final answer
   x = 52,787.44