Finding the Fourth Proportional to 90,116.28, 135,177.12 and 23,555.34

Step by Step Solution

1. Step 1: Write the proportion equation
   90,116.28 : 135,177.12 = 23,555.34 : x
2. Step 2: Convert to fraction form
   90,116.28/135,177.12 = 23,555.34/x
3. Step 3: Cross multiply
   90,116.28x = 135,177.12 × 23,555.34
4. Step 4: Simplify right side
   90,116.28x = 3,184,143,021.82
5. Step 5: Solve for x
   x = 3,184,143,021.82/90,116.28
6. Step 6: Final answer
   x = 35,333.72