Finding the Fourth Proportional to 13,141.88, 19,705.90 and 5,737.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,141.88 : 19,705.90 = 5,737.69 : x
2. Step 2: Convert to fraction form
   13,141.88/19,705.90 = 5,737.69/x
3. Step 3: Cross multiply
   13,141.88x = 19,705.90 × 5,737.69
4. Step 4: Simplify right side
   13,141.88x = 113,066,399.78
5. Step 5: Solve for x
   x = 113,066,399.78/13,141.88
6. Step 6: Final answer
   x = 8,603.52