Finding the Fourth Proportional to 89,872.62, 134,816.49 and 30,712.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,872.62 : 134,816.49 = 30,712.38 : x
2. Step 2: Convert to fraction form
   89,872.62/134,816.49 = 30,712.38/x
3. Step 3: Cross multiply
   89,872.62x = 134,816.49 × 30,712.38
4. Step 4: Simplify right side
   89,872.62x = 4,140,535,271.15
5. Step 5: Solve for x
   x = 4,140,535,271.15/89,872.62
6. Step 6: Final answer
   x = 46,071.15