Finding the Fourth Proportional to 5,015.50, 7,518.72 and 2,381.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,015.50 : 7,518.72 = 2,381.38 : x
2. Step 2: Convert to fraction form
   5,015.50/7,518.72 = 2,381.38/x
3. Step 3: Cross multiply
   5,015.50x = 7,518.72 × 2,381.38
4. Step 4: Simplify right side
   5,015.50x = 17,904,929.43
5. Step 5: Solve for x
   x = 17,904,929.43/5,015.50
6. Step 6: Final answer
   x = 3,569.92