Finding the Fourth Proportional to 89,211.47, 133,817.43 and 30,088.67

Step by Step Solution

1. Step 1: Write the proportion equation
   89,211.47 : 133,817.43 = 30,088.67 : x
2. Step 2: Convert to fraction form
   89,211.47/133,817.43 = 30,088.67/x
3. Step 3: Cross multiply
   89,211.47x = 133,817.43 × 30,088.67
4. Step 4: Simplify right side
   89,211.47x = 4,026,388,491.52
5. Step 5: Solve for x
   x = 4,026,388,491.52/89,211.47
6. Step 6: Final answer
   x = 45,133.08