Finding the Fourth Proportional to 13,010, 19,517.46 and 5,219.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,010 : 19,517.46 = 5,219.42 : x
2. Step 2: Convert to fraction form
   13,010/19,517.46 = 5,219.42/x
3. Step 3: Cross multiply
   13,010x = 19,517.46 × 5,219.42
4. Step 4: Simplify right side
   13,010x = 101,869,821.07
5. Step 5: Solve for x
   x = 101,869,821.07/13,010
6. Step 6: Final answer
   x = 7,830.12