Finding the Fourth Proportional to 93,257.08, 139,856.42 and 40,613.56

Step by Step Solution

1. Step 1: Write the proportion equation
   93,257.08 : 139,856.42 = 40,613.56 : x
2. Step 2: Convert to fraction form
   93,257.08/139,856.42 = 40,613.56/x
3. Step 3: Cross multiply
   93,257.08x = 139,856.42 × 40,613.56
4. Step 4: Simplify right side
   93,257.08x = 5,680,067,105.06
5. Step 5: Solve for x
   x = 5,680,067,105.06/93,257.08
6. Step 6: Final answer
   x = 60,907.62