Finding the Fourth Proportional to 89,488.09, 134,148.30 and 30,282.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89,488.09 : 134,148.30 = 30,282.31 : x
2. Step 2: Convert to fraction form
   89,488.09/134,148.30 = 30,282.31/x
3. Step 3: Cross multiply
   89,488.09x = 134,148.30 × 30,282.31
4. Step 4: Simplify right side
   89,488.09x = 4,062,320,406.57
5. Step 5: Solve for x
   x = 4,062,320,406.57/89,488.09
6. Step 6: Final answer
   x = 45,395.10