Finding the Fourth Proportional to 89,266.43, 133,899.50 and 36,638.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,266.43 : 133,899.50 = 36,638.84 : x
2. Step 2: Convert to fraction form
   89,266.43/133,899.50 = 36,638.84/x
3. Step 3: Cross multiply
   89,266.43x = 133,899.50 × 36,638.84
4. Step 4: Simplify right side
   89,266.43x = 4,905,921,503.89
5. Step 5: Solve for x
   x = 4,905,921,503.89/89,266.43
6. Step 6: Final answer
   x = 54,958.19