Finding the Fourth Proportional to 90,258.96, 135,389.04 and 23,698.56

Step by Step Solution

1. Step 1: Write the proportion equation
   90,258.96 : 135,389.04 = 23,698.56 : x
2. Step 2: Convert to fraction form
   90,258.96/135,389.04 = 23,698.56/x
3. Step 3: Cross multiply
   90,258.96x = 135,389.04 × 23,698.56
4. Step 4: Simplify right side
   90,258.96x = 3,208,525,287.78
5. Step 5: Solve for x
   x = 3,208,525,287.78/90,258.96
6. Step 6: Final answer
   x = 35,548.00