Finding the Fourth Proportional to 9,863.37, 13,610.03 and 5,670.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,863.37 : 13,610.03 = 5,670.81 : x
2. Step 2: Convert to fraction form
   9,863.37/13,610.03 = 5,670.81/x
3. Step 3: Cross multiply
   9,863.37x = 13,610.03 × 5,670.81
4. Step 4: Simplify right side
   9,863.37x = 77,179,865.87
5. Step 5: Solve for x
   x = 77,179,865.87/9,863.37
6. Step 6: Final answer
   x = 7,824.90