Finding the Fourth Proportional to 90,162.32, 135,255.78 and 37,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,162.32 : 135,255.78 = 37,559.50 : x
2. Step 2: Convert to fraction form
   90,162.32/135,255.78 = 37,559.50/x
3. Step 3: Cross multiply
   90,162.32x = 135,255.78 × 37,559.50
4. Step 4: Simplify right side
   90,162.32x = 5,080,139,468.91
5. Step 5: Solve for x
   x = 5,080,139,468.91/90,162.32
6. Step 6: Final answer
   x = 56,344.37