Finding the Fourth Proportional to 10,083.72, 13,913.91 and 5,607.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,083.72 : 13,913.91 = 5,607.36 : x
2. Step 2: Convert to fraction form
   10,083.72/13,913.91 = 5,607.36/x
3. Step 3: Cross multiply
   10,083.72x = 13,913.91 × 5,607.36
4. Step 4: Simplify right side
   10,083.72x = 78,020,302.38
5. Step 5: Solve for x
   x = 78,020,302.38/10,083.72
6. Step 6: Final answer
   x = 7,737.25