Finding the Fourth Proportional to 90,162.64, 135,278.52 and 37,558

Step by Step Solution

1. Step 1: Write the proportion equation
   90,162.64 : 135,278.52 = 37,558 : x
2. Step 2: Convert to fraction form
   90,162.64/135,278.52 = 37,558/x
3. Step 3: Cross multiply
   90,162.64x = 135,278.52 × 37,558
4. Step 4: Simplify right side
   90,162.64x = 5,080,790,654.16
5. Step 5: Solve for x
   x = 5,080,790,654.16/90,162.64
6. Step 6: Final answer
   x = 56,351.40