Finding the Fourth Proportional to 89,397.62, 134,112.84 and 42,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,397.62 : 134,112.84 = 42,650.50 : x
2. Step 2: Convert to fraction form
   89,397.62/134,112.84 = 42,650.50/x
3. Step 3: Cross multiply
   89,397.62x = 134,112.84 × 42,650.50
4. Step 4: Simplify right side
   89,397.62x = 5,719,979,682.42
5. Step 5: Solve for x
   x = 5,719,979,682.42/89,397.62
6. Step 6: Final answer
   x = 63,983.58