Finding the Fourth Proportional to 10,153.50, 15,230.22 and 2,759.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,153.50 : 15,230.22 = 2,759.03 : x
2. Step 2: Convert to fraction form
   10,153.50/15,230.22 = 2,759.03/x
3. Step 3: Cross multiply
   10,153.50x = 15,230.22 × 2,759.03
4. Step 4: Simplify right side
   10,153.50x = 42,020,633.89
5. Step 5: Solve for x
   x = 42,020,633.89/10,153.50
6. Step 6: Final answer
   x = 4,138.54