Finding the Fourth Proportional to 89,573.90, 134,356.42 and 33,409.63

Step by Step Solution

1. Step 1: Write the proportion equation
   89,573.90 : 134,356.42 = 33,409.63 : x
2. Step 2: Convert to fraction form
   89,573.90/134,356.42 = 33,409.63/x
3. Step 3: Cross multiply
   89,573.90x = 134,356.42 × 33,409.63
4. Step 4: Simplify right side
   89,573.90x = 4,488,798,280.32
5. Step 5: Solve for x
   x = 4,488,798,280.32/89,573.90
6. Step 6: Final answer
   x = 50,112.79