Finding the Fourth Proportional to 89,389.76, 133,880.52 and 42,675.44

Step by Step Solution

1. Step 1: Write the proportion equation
   89,389.76 : 133,880.52 = 42,675.44 : x
2. Step 2: Convert to fraction form
   89,389.76/133,880.52 = 42,675.44/x
3. Step 3: Cross multiply
   89,389.76x = 133,880.52 × 42,675.44
4. Step 4: Simplify right side
   89,389.76x = 5,713,410,098.43
5. Step 5: Solve for x
   x = 5,713,410,098.43/89,389.76
6. Step 6: Final answer
   x = 63,915.71