Finding the Fourth Proportional to 89,071.26, 133,621.41 and 42,308.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,071.26 : 133,621.41 = 42,308.34 : x
2. Step 2: Convert to fraction form
   89,071.26/133,621.41 = 42,308.34/x
3. Step 3: Cross multiply
   89,071.26x = 133,621.41 × 42,308.34
4. Step 4: Simplify right side
   89,071.26x = 5,653,300,045.56
5. Step 5: Solve for x
   x = 5,653,300,045.56/89,071.26
6. Step 6: Final answer
   x = 63,469.41