Finding the Fourth Proportional to 40,357.58, 55,708.56 and 34,669.55

Step by Step Solution

1. Step 1: Write the proportion equation
   40,357.58 : 55,708.56 = 34,669.55 : x
2. Step 2: Convert to fraction form
   40,357.58/55,708.56 = 34,669.55/x
3. Step 3: Cross multiply
   40,357.58x = 55,708.56 × 34,669.55
4. Step 4: Simplify right side
   40,357.58x = 1,931,390,845.62
5. Step 5: Solve for x
   x = 1,931,390,845.62/40,357.58
6. Step 6: Final answer
   x = 47,856.96