Finding the Fourth Proportional to 50,985.40, 70,361.82 and 28,326.10

Step by Step Solution

1. Step 1: Write the proportion equation
   50,985.40 : 70,361.82 = 28,326.10 : x
2. Step 2: Convert to fraction form
   50,985.40/70,361.82 = 28,326.10/x
3. Step 3: Cross multiply
   50,985.40x = 70,361.82 × 28,326.10
4. Step 4: Simplify right side
   50,985.40x = 1,993,075,949.50
5. Step 5: Solve for x
   x = 1,993,075,949.50/50,985.40
6. Step 6: Final answer
   x = 39,091.11