Finding the Fourth Proportional to 10,050.79, 13,870.55 and 5,574.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,050.79 : 13,870.55 = 5,574.27 : x
2. Step 2: Convert to fraction form
   10,050.79/13,870.55 = 5,574.27/x
3. Step 3: Cross multiply
   10,050.79x = 13,870.55 × 5,574.27
4. Step 4: Simplify right side
   10,050.79x = 77,318,162.88
5. Step 5: Solve for x
   x = 77,318,162.88/10,050.79
6. Step 6: Final answer
   x = 7,692.75