Finding the Fourth Proportional to 10,124.46, 13,971.69 and 5,587.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,124.46 : 13,971.69 = 5,587.38 : x
2. Step 2: Convert to fraction form
   10,124.46/13,971.69 = 5,587.38/x
3. Step 3: Cross multiply
   10,124.46x = 13,971.69 × 5,587.38
4. Step 4: Simplify right side
   10,124.46x = 78,065,141.27
5. Step 5: Solve for x
   x = 78,065,141.27/10,124.46
6. Step 6: Final answer
   x = 7,710.55