Finding the Fourth Proportional to 49,779.37, 68,676.28 and 30,883.69

Step by Step Solution

1. Step 1: Write the proportion equation
   49,779.37 : 68,676.28 = 30,883.69 : x
2. Step 2: Convert to fraction form
   49,779.37/68,676.28 = 30,883.69/x
3. Step 3: Cross multiply
   49,779.37x = 68,676.28 × 30,883.69
4. Step 4: Simplify right side
   49,779.37x = 2,120,976,941.87
5. Step 5: Solve for x
   x = 2,120,976,941.87/49,779.37
6. Step 6: Final answer
   x = 42,607.55