Finding the Fourth Proportional to 13,015.98, 19,481.18 and 7,083.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,015.98 : 19,481.18 = 7,083.81 : x
2. Step 2: Convert to fraction form
   13,015.98/19,481.18 = 7,083.81/x
3. Step 3: Cross multiply
   13,015.98x = 19,481.18 × 7,083.81
4. Step 4: Simplify right side
   13,015.98x = 138,000,942.28
5. Step 5: Solve for x
   x = 138,000,942.28/13,015.98
6. Step 6: Final answer
   x = 10,602.42