Finding the Fourth Proportional to 105,682.56, 158,541.30 and 52,377.03

Step by Step Solution

1. Step 1: Write the proportion equation
   105,682.56 : 158,541.30 = 52,377.03 : x
2. Step 2: Convert to fraction form
   105,682.56/158,541.30 = 52,377.03/x
3. Step 3: Cross multiply
   105,682.56x = 158,541.30 × 52,377.03
4. Step 4: Simplify right side
   105,682.56x = 8,303,922,426.34
5. Step 5: Solve for x
   x = 8,303,922,426.34/105,682.56
6. Step 6: Final answer
   x = 78,574.20