Finding the Fourth Proportional to 89,573.92, 134,390.04 and 42,830.44

Step by Step Solution

1. Step 1: Write the proportion equation
   89,573.92 : 134,390.04 = 42,830.44 : x
2. Step 2: Convert to fraction form
   89,573.92/134,390.04 = 42,830.44/x
3. Step 3: Cross multiply
   89,573.92x = 134,390.04 × 42,830.44
4. Step 4: Simplify right side
   89,573.92x = 5,755,984,048.23
5. Step 5: Solve for x
   x = 5,755,984,048.23/89,573.92
6. Step 6: Final answer
   x = 64,259.60