Finding the Fourth Proportional to 105,727.37, 158,551.52 and 42,526.17

Step by Step Solution

1. Step 1: Write the proportion equation
   105,727.37 : 158,551.52 = 42,526.17 : x
2. Step 2: Convert to fraction form
   105,727.37/158,551.52 = 42,526.17/x
3. Step 3: Cross multiply
   105,727.37x = 158,551.52 × 42,526.17
4. Step 4: Simplify right side
   105,727.37x = 6,742,588,680.65
5. Step 5: Solve for x
   x = 6,742,588,680.65/105,727.37
6. Step 6: Final answer
   x = 63,773.35