Finding the Fourth Proportional to 90,196.70, 135,273.17 and 37,577.48

Step by Step Solution

1. Step 1: Write the proportion equation
   90,196.70 : 135,273.17 = 37,577.48 : x
2. Step 2: Convert to fraction form
   90,196.70/135,273.17 = 37,577.48/x
3. Step 3: Cross multiply
   90,196.70x = 135,273.17 × 37,577.48
4. Step 4: Simplify right side
   90,196.70x = 5,083,223,975.96
5. Step 5: Solve for x
   x = 5,083,223,975.96/90,196.70
6. Step 6: Final answer
   x = 56,357.10