Finding the Fourth Proportional to 90,180.53, 135,269.42 and 31,016.71

Step by Step Solution

1. Step 1: Write the proportion equation
   90,180.53 : 135,269.42 = 31,016.71 : x
2. Step 2: Convert to fraction form
   90,180.53/135,269.42 = 31,016.71/x
3. Step 3: Cross multiply
   90,180.53x = 135,269.42 × 31,016.71
4. Step 4: Simplify right side
   90,180.53x = 4,195,612,560.48
5. Step 5: Solve for x
   x = 4,195,612,560.48/90,180.53
6. Step 6: Final answer
   x = 46,524.59