Finding the Fourth Proportional to 89,141.85, 133,622.82 and 55,885.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,141.85 : 133,622.82 = 55,885.28 : x
2. Step 2: Convert to fraction form
   89,141.85/133,622.82 = 55,885.28/x
3. Step 3: Cross multiply
   89,141.85x = 133,622.82 × 55,885.28
4. Step 4: Simplify right side
   89,141.85x = 7,467,548,041.98
5. Step 5: Solve for x
   x = 7,467,548,041.98/89,141.85
6. Step 6: Final answer
   x = 83,771.52