Finding the Fourth Proportional to 90,522.97, 135,686.04 and 37,870.94

Step by Step Solution

1. Step 1: Write the proportion equation
   90,522.97 : 135,686.04 = 37,870.94 : x
2. Step 2: Convert to fraction form
   90,522.97/135,686.04 = 37,870.94/x
3. Step 3: Cross multiply
   90,522.97x = 135,686.04 × 37,870.94
4. Step 4: Simplify right side
   90,522.97x = 5,138,558,076.88
5. Step 5: Solve for x
   x = 5,138,558,076.88/90,522.97
6. Step 6: Final answer
   x = 56,765.24