Finding the Fourth Proportional to 89,181.30, 133,792.47 and 30,015.39

Step by Step Solution

1. Step 1: Write the proportion equation
   89,181.30 : 133,792.47 = 30,015.39 : x
2. Step 2: Convert to fraction form
   89,181.30/133,792.47 = 30,015.39/x
3. Step 3: Cross multiply
   89,181.30x = 133,792.47 × 30,015.39
4. Step 4: Simplify right side
   89,181.30x = 4,015,833,166.11
5. Step 5: Solve for x
   x = 4,015,833,166.11/89,181.30
6. Step 6: Final answer
   x = 45,029.99