Finding the Fourth Proportional to 95,339.42, 142,579.52 and 72,856.70

Step by Step Solution

1. Step 1: Write the proportion equation
   95,339.42 : 142,579.52 = 72,856.70 : x
2. Step 2: Convert to fraction form
   95,339.42/142,579.52 = 72,856.70/x
3. Step 3: Cross multiply
   95,339.42x = 142,579.52 × 72,856.70
4. Step 4: Simplify right side
   95,339.42x = 10,387,873,314.78
5. Step 5: Solve for x
   x = 10,387,873,314.78/95,339.42
6. Step 6: Final answer
   x = 108,956.75