Finding the Fourth Proportional to 50,779.98, 70,075.98 and 28,118.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,779.98 : 70,075.98 = 28,118.88 : x
2. Step 2: Convert to fraction form
   50,779.98/70,075.98 = 28,118.88/x
3. Step 3: Cross multiply
   50,779.98x = 70,075.98 × 28,118.88
4. Step 4: Simplify right side
   50,779.98x = 1,970,458,072.50
5. Step 5: Solve for x
   x = 1,970,458,072.50/50,779.98
6. Step 6: Final answer
   x = 38,803.84