Finding the Fourth Proportional to 89,397.76, 133,892.52 and 42,683.44

Step by Step Solution

1. Step 1: Write the proportion equation
   89,397.76 : 133,892.52 = 42,683.44 : x
2. Step 2: Convert to fraction form
   89,397.76/133,892.52 = 42,683.44/x
3. Step 3: Cross multiply
   89,397.76x = 133,892.52 × 42,683.44
4. Step 4: Simplify right side
   89,397.76x = 5,714,993,343.87
5. Step 5: Solve for x
   x = 5,714,993,343.87/89,397.76
6. Step 6: Final answer
   x = 63,927.70