Finding the Fourth Proportional to 8,602.56, 11,871.56 and 5,019.99

Step by Step Solution

1. Step 1: Write the proportion equation
   8,602.56 : 11,871.56 = 5,019.99 : x
2. Step 2: Convert to fraction form
   8,602.56/11,871.56 = 5,019.99/x
3. Step 3: Cross multiply
   8,602.56x = 11,871.56 × 5,019.99
4. Step 4: Simplify right side
   8,602.56x = 59,595,112.48
5. Step 5: Solve for x
   x = 59,595,112.48/8,602.56
6. Step 6: Final answer
   x = 6,927.60