Finding the Fourth Proportional to 89,449.72, 134,191.59 and 30,269.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,449.72 : 134,191.59 = 30,269.50 : x
2. Step 2: Convert to fraction form
   89,449.72/134,191.59 = 30,269.50/x
3. Step 3: Cross multiply
   89,449.72x = 134,191.59 × 30,269.50
4. Step 4: Simplify right side
   89,449.72x = 4,061,912,333.51
5. Step 5: Solve for x
   x = 4,061,912,333.51/89,449.72
6. Step 6: Final answer
   x = 45,410.01