Finding the Fourth Proportional to 13,377.48, 20,061.49 and 3,887.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,377.48 : 20,061.49 = 3,887.82 : x
2. Step 2: Convert to fraction form
   13,377.48/20,061.49 = 3,887.82/x
3. Step 3: Cross multiply
   13,377.48x = 20,061.49 × 3,887.82
4. Step 4: Simplify right side
   13,377.48x = 77,995,462.05
5. Step 5: Solve for x
   x = 77,995,462.05/13,377.48
6. Step 6: Final answer
   x = 5,830.36