Finding the Fourth Proportional to 90,453.39, 135,686.56 and 23,892.85

Step by Step Solution

1. Step 1: Write the proportion equation
   90,453.39 : 135,686.56 = 23,892.85 : x
2. Step 2: Convert to fraction form
   90,453.39/135,686.56 = 23,892.85/x
3. Step 3: Cross multiply
   90,453.39x = 135,686.56 × 23,892.85
4. Step 4: Simplify right side
   90,453.39x = 3,241,938,625.10
5. Step 5: Solve for x
   x = 3,241,938,625.10/90,453.39
6. Step 6: Final answer
   x = 35,840.99