Finding the Fourth Proportional to 89,059.23, 133,603.43 and 42,296.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89,059.23 : 133,603.43 = 42,296.31 : x
2. Step 2: Convert to fraction form
   89,059.23/133,603.43 = 42,296.31/x
3. Step 3: Cross multiply
   89,059.23x = 133,603.43 × 42,296.31
4. Step 4: Simplify right side
   89,059.23x = 5,650,931,880.86
5. Step 5: Solve for x
   x = 5,650,931,880.86/89,059.23
6. Step 6: Final answer
   x = 63,451.39