Finding the Fourth Proportional to 50,075.01, 69,109.61 and 28,570.05

Step by Step Solution

1. Step 1: Write the proportion equation
   50,075.01 : 69,109.61 = 28,570.05 : x
2. Step 2: Convert to fraction form
   50,075.01/69,109.61 = 28,570.05/x
3. Step 3: Cross multiply
   50,075.01x = 69,109.61 × 28,570.05
4. Step 4: Simplify right side
   50,075.01x = 1,974,464,870.33
5. Step 5: Solve for x
   x = 1,974,464,870.33/50,075.01
6. Step 6: Final answer
   x = 39,430.14