Finding the Fourth Proportional to 89,212.47, 133,818.93 and 30,089.67

Step by Step Solution

1. Step 1: Write the proportion equation
   89,212.47 : 133,818.93 = 30,089.67 : x
2. Step 2: Convert to fraction form
   89,212.47/133,818.93 = 30,089.67/x
3. Step 3: Cross multiply
   89,212.47x = 133,818.93 × 30,089.67
4. Step 4: Simplify right side
   89,212.47x = 4,026,567,443.45
5. Step 5: Solve for x
   x = 4,026,567,443.45/89,212.47
6. Step 6: Final answer
   x = 45,134.58