Finding the Fourth Proportional to 90,402.78, 135,593.78 and 23,848.18

Step by Step Solution

1. Step 1: Write the proportion equation
   90,402.78 : 135,593.78 = 23,848.18 : x
2. Step 2: Convert to fraction form
   90,402.78/135,593.78 = 23,848.18/x
3. Step 3: Cross multiply
   90,402.78x = 135,593.78 × 23,848.18
4. Step 4: Simplify right side
   90,402.78x = 3,233,664,872.32
5. Step 5: Solve for x
   x = 3,233,664,872.32/90,402.78
6. Step 6: Final answer
   x = 35,769.53