Finding the Fourth Proportional to 50,779.32, 70,082.06 and 30,647.58

Step by Step Solution

1. Step 1: Write the proportion equation
   50,779.32 : 70,082.06 = 30,647.58 : x
2. Step 2: Convert to fraction form
   50,779.32/70,082.06 = 30,647.58/x
3. Step 3: Cross multiply
   50,779.32x = 70,082.06 × 30,647.58
4. Step 4: Simplify right side
   50,779.32x = 2,147,845,387.18
5. Step 5: Solve for x
   x = 2,147,845,387.18/50,779.32
6. Step 6: Final answer
   x = 42,297.64