Finding the Fourth Proportional to 72,530.32, 108,800.76 and 30,368

Step by Step Solution

1. Step 1: Write the proportion equation
   72,530.32 : 108,800.76 = 30,368 : x
2. Step 2: Convert to fraction form
   72,530.32/108,800.76 = 30,368/x
3. Step 3: Cross multiply
   72,530.32x = 108,800.76 × 30,368
4. Step 4: Simplify right side
   72,530.32x = 3,304,061,479.68
5. Step 5: Solve for x
   x = 3,304,061,479.68/72,530.32
6. Step 6: Final answer
   x = 45,554.21