Finding the Fourth Proportional to 89,956.16, 135,016.56 and 45,613.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,956.16 : 135,016.56 = 45,613.52 : x
2. Step 2: Convert to fraction form
   89,956.16/135,016.56 = 45,613.52/x
3. Step 3: Cross multiply
   89,956.16x = 135,016.56 × 45,613.52
4. Step 4: Simplify right side
   89,956.16x = 6,158,580,559.89
5. Step 5: Solve for x
   x = 6,158,580,559.89/89,956.16
6. Step 6: Final answer
   x = 68,462.02