Finding the Fourth Proportional to 89,493.84, 134,156.92 and 30,288.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,493.84 : 134,156.92 = 30,288.06 : x
2. Step 2: Convert to fraction form
   89,493.84/134,156.92 = 30,288.06/x
3. Step 3: Cross multiply
   89,493.84x = 134,156.92 × 30,288.06
4. Step 4: Simplify right side
   89,493.84x = 4,063,352,842.38
5. Step 5: Solve for x
   x = 4,063,352,842.38/89,493.84
6. Step 6: Final answer
   x = 45,403.72