Finding the Fourth Proportional to 89,209.22, 133,814.06 and 30,086.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,209.22 : 133,814.06 = 30,086.42 : x
2. Step 2: Convert to fraction form
   89,209.22/133,814.06 = 30,086.42/x
3. Step 3: Cross multiply
   89,209.22x = 133,814.06 × 30,086.42
4. Step 4: Simplify right side
   89,209.22x = 4,025,985,191.56
5. Step 5: Solve for x
   x = 4,025,985,191.56/89,209.22
6. Step 6: Final answer
   x = 45,129.70