Finding the Fourth Proportional to 90,196.38, 135,256.49 and 27,025.47

Step by Step Solution

1. Step 1: Write the proportion equation
   90,196.38 : 135,256.49 = 27,025.47 : x
2. Step 2: Convert to fraction form
   90,196.38/135,256.49 = 27,025.47/x
3. Step 3: Cross multiply
   90,196.38x = 135,256.49 × 27,025.47
4. Step 4: Simplify right side
   90,196.38x = 3,655,370,077.67
5. Step 5: Solve for x
   x = 3,655,370,077.67/90,196.38
6. Step 6: Final answer
   x = 40,526.79