Finding the Fourth Proportional to 90,020.76, 134,958.03 and 37,469.58

Step by Step Solution

1. Step 1: Write the proportion equation
   90,020.76 : 134,958.03 = 37,469.58 : x
2. Step 2: Convert to fraction form
   90,020.76/134,958.03 = 37,469.58/x
3. Step 3: Cross multiply
   90,020.76x = 134,958.03 × 37,469.58
4. Step 4: Simplify right side
   90,020.76x = 5,056,820,701.73
5. Step 5: Solve for x
   x = 5,056,820,701.73/90,020.76
6. Step 6: Final answer
   x = 56,173.94