Finding the Fourth Proportional to 10,562.05, 15,842.73 and 5,019.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,562.05 : 15,842.73 = 5,019.40 : x
2. Step 2: Convert to fraction form
   10,562.05/15,842.73 = 5,019.40/x
3. Step 3: Cross multiply
   10,562.05x = 15,842.73 × 5,019.40
4. Step 4: Simplify right side
   10,562.05x = 79,520,919.75
5. Step 5: Solve for x
   x = 79,520,919.75/10,562.05
6. Step 6: Final answer
   x = 7,528.93