Finding the Fourth Proportional to 89,600.79, 134,307.43 and 33,418.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89,600.79 : 134,307.43 = 33,418.31 : x
2. Step 2: Convert to fraction form
   89,600.79/134,307.43 = 33,418.31/x
3. Step 3: Cross multiply
   89,600.79x = 134,307.43 × 33,418.31
4. Step 4: Simplify right side
   89,600.79x = 4,488,327,583.27
5. Step 5: Solve for x
   x = 4,488,327,583.27/89,600.79
6. Step 6: Final answer
   x = 50,092.50