Finding the Fourth Proportional to 10,050.57, 13,869.11 and 5,574.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,050.57 : 13,869.11 = 5,574.15 : x
2. Step 2: Convert to fraction form
   10,050.57/13,869.11 = 5,574.15/x
3. Step 3: Cross multiply
   10,050.57x = 13,869.11 × 5,574.15
4. Step 4: Simplify right side
   10,050.57x = 77,308,471.64
5. Step 5: Solve for x
   x = 77,308,471.64/10,050.57
6. Step 6: Final answer
   x = 7,691.95