Finding the Fourth Proportional to 89,069.76, 133,619.16 and 42,306.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,069.76 : 133,619.16 = 42,306.84 : x
2. Step 2: Convert to fraction form
   89,069.76/133,619.16 = 42,306.84/x
3. Step 3: Cross multiply
   89,069.76x = 133,619.16 × 42,306.84
4. Step 4: Simplify right side
   89,069.76x = 5,653,004,423.05
5. Step 5: Solve for x
   x = 5,653,004,423.05/89,069.76
6. Step 6: Final answer
   x = 63,467.16