Finding the Fourth Proportional to 10,377.37, 15,569.77 and 5,377.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,377.37 : 15,569.77 = 5,377.34 : x
2. Step 2: Convert to fraction form
   10,377.37/15,569.77 = 5,377.34/x
3. Step 3: Cross multiply
   10,377.37x = 15,569.77 × 5,377.34
4. Step 4: Simplify right side
   10,377.37x = 83,723,895.00
5. Step 5: Solve for x
   x = 83,723,895.00/10,377.37
6. Step 6: Final answer
   x = 8,067.93