Finding the Fourth Proportional to 90,162.91, 135,256.67 and 37,560.09

Step by Step Solution

1. Step 1: Write the proportion equation
   90,162.91 : 135,256.67 = 37,560.09 : x
2. Step 2: Convert to fraction form
   90,162.91/135,256.67 = 37,560.09/x
3. Step 3: Cross multiply
   90,162.91x = 135,256.67 × 37,560.09
4. Step 4: Simplify right side
   90,162.91x = 5,080,253,158.56
5. Step 5: Solve for x
   x = 5,080,253,158.56/90,162.91
6. Step 6: Final answer
   x = 56,345.27