Finding the Fourth Proportional to 90,578.98, 135,816.63 and 37,944.10

Step by Step Solution

1. Step 1: Write the proportion equation
   90,578.98 : 135,816.63 = 37,944.10 : x
2. Step 2: Convert to fraction form
   90,578.98/135,816.63 = 37,944.10/x
3. Step 3: Cross multiply
   90,578.98x = 135,816.63 × 37,944.10
4. Step 4: Simplify right side
   90,578.98x = 5,153,439,790.38
5. Step 5: Solve for x
   x = 5,153,439,790.38/90,578.98
6. Step 6: Final answer
   x = 56,894.43