Finding the Fourth Proportional to 89,940.50, 134,917.29 and 34,536.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,940.50 : 134,917.29 = 34,536.50 : x
2. Step 2: Convert to fraction form
   89,940.50/134,917.29 = 34,536.50/x
3. Step 3: Cross multiply
   89,940.50x = 134,917.29 × 34,536.50
4. Step 4: Simplify right side
   89,940.50x = 4,659,570,986.09
5. Step 5: Solve for x
   x = 4,659,570,986.09/89,940.50
6. Step 6: Final answer
   x = 51,807.26