Finding the Fourth Proportional to 89,328.02, 134,012.14 and 30,162.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,328.02 : 134,012.14 = 30,162.12 : x
2. Step 2: Convert to fraction form
   89,328.02/134,012.14 = 30,162.12/x
3. Step 3: Cross multiply
   89,328.02x = 134,012.14 × 30,162.12
4. Step 4: Simplify right side
   89,328.02x = 4,042,090,248.14
5. Step 5: Solve for x
   x = 4,042,090,248.14/89,328.02
6. Step 6: Final answer
   x = 45,249.97