Finding the Fourth Proportional to 105,934.91, 158,901.48 and 42,754.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105,934.91 : 158,901.48 = 42,754.06 : x
2. Step 2: Convert to fraction form
   105,934.91/158,901.48 = 42,754.06/x
3. Step 3: Cross multiply
   105,934.91x = 158,901.48 × 42,754.06
4. Step 4: Simplify right side
   105,934.91x = 6,793,683,012.76
5. Step 5: Solve for x
   x = 6,793,683,012.76/105,934.91
6. Step 6: Final answer
   x = 64,130.73