Finding the Fourth Proportional to 89,772.86, 134,662.70 and 33,607.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,772.86 : 134,662.70 = 33,607.05 : x
2. Step 2: Convert to fraction form
   89,772.86/134,662.70 = 33,607.05/x
3. Step 3: Cross multiply
   89,772.86x = 134,662.70 × 33,607.05
4. Step 4: Simplify right side
   89,772.86x = 4,525,616,428.55
5. Step 5: Solve for x
   x = 4,525,616,428.55/89,772.86
6. Step 6: Final answer
   x = 50,411.86