Finding the Fourth Proportional to 10,087.61, 13,918.31 and 5,610.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,087.61 : 13,918.31 = 5,610.33 : x
2. Step 2: Convert to fraction form
   10,087.61/13,918.31 = 5,610.33/x
3. Step 3: Cross multiply
   10,087.61x = 13,918.31 × 5,610.33
4. Step 4: Simplify right side
   10,087.61x = 78,086,305.13
5. Step 5: Solve for x
   x = 78,086,305.13/10,087.61
6. Step 6: Final answer
   x = 7,740.82