Finding the Fourth Proportional to 160,058.43, 239,896.89 and 74,554.56

Step by Step Solution

1. Step 1: Write the proportion equation
   160,058.43 : 239,896.89 = 74,554.56 : x
2. Step 2: Convert to fraction form
   160,058.43/239,896.89 = 74,554.56/x
3. Step 3: Cross multiply
   160,058.43x = 239,896.89 × 74,554.56
4. Step 4: Simplify right side
   160,058.43x = 17,885,407,079.32
5. Step 5: Solve for x
   x = 17,885,407,079.32/160,058.43
6. Step 6: Final answer
   x = 111,742.99