Finding the Fourth Proportional to 80,368.32, 120,546.18 and 30,443.88

Step by Step Solution

1. Step 1: Write the proportion equation
   80,368.32 : 120,546.18 = 30,443.88 : x
2. Step 2: Convert to fraction form
   80,368.32/120,546.18 = 30,443.88/x
3. Step 3: Cross multiply
   80,368.32x = 120,546.18 × 30,443.88
4. Step 4: Simplify right side
   80,368.32x = 3,669,893,438.38
5. Step 5: Solve for x
   x = 3,669,893,438.38/80,368.32
6. Step 6: Final answer
   x = 45,663.43