Finding the Fourth Proportional to 90,483.95, 135,694.44 and 37,160.78

Step by Step Solution

1. Step 1: Write the proportion equation
   90,483.95 : 135,694.44 = 37,160.78 : x
2. Step 2: Convert to fraction form
   90,483.95/135,694.44 = 37,160.78/x
3. Step 3: Cross multiply
   90,483.95x = 135,694.44 × 37,160.78
4. Step 4: Simplify right side
   90,483.95x = 5,042,510,553.59
5. Step 5: Solve for x
   x = 5,042,510,553.59/90,483.95
6. Step 6: Final answer
   x = 55,728.23