Finding the Fourth Proportional to 90,256.19, 135,396.83 and 37,653.57

Step by Step Solution

1. Step 1: Write the proportion equation
   90,256.19 : 135,396.83 = 37,653.57 : x
2. Step 2: Convert to fraction form
   90,256.19/135,396.83 = 37,653.57/x
3. Step 3: Cross multiply
   90,256.19x = 135,396.83 × 37,653.57
4. Step 4: Simplify right side
   90,256.19x = 5,098,174,110.32
5. Step 5: Solve for x
   x = 5,098,174,110.32/90,256.19
6. Step 6: Final answer
   x = 56,485.59