Finding the Fourth Proportional to 10,050.55, 13,869.87 and 5,574.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,050.55 : 13,869.87 = 5,574.38 : x
2. Step 2: Convert to fraction form
   10,050.55/13,869.87 = 5,574.38/x
3. Step 3: Cross multiply
   10,050.55x = 13,869.87 × 5,574.38
4. Step 4: Simplify right side
   10,050.55x = 77,315,913.70
5. Step 5: Solve for x
   x = 77,315,913.70/10,050.55
6. Step 6: Final answer
   x = 7,692.70