Finding the Fourth Proportional to 89,271.56, 133,813.92 and 30,086.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89,271.56 : 133,813.92 = 30,086.79 : x
2. Step 2: Convert to fraction form
   89,271.56/133,813.92 = 30,086.79/x
3. Step 3: Cross multiply
   89,271.56x = 133,813.92 × 30,086.79
4. Step 4: Simplify right side
   89,271.56x = 4,026,031,310.12
5. Step 5: Solve for x
   x = 4,026,031,310.12/89,271.56
6. Step 6: Final answer
   x = 45,098.70