Finding the Fourth Proportional to 19,061.49, 28,596.69 and 5,913.18

Step by Step Solution

1. Step 1: Write the proportion equation
   19,061.49 : 28,596.69 = 5,913.18 : x
2. Step 2: Convert to fraction form
   19,061.49/28,596.69 = 5,913.18/x
3. Step 3: Cross multiply
   19,061.49x = 28,596.69 × 5,913.18
4. Step 4: Simplify right side
   19,061.49x = 169,097,375.37
5. Step 5: Solve for x
   x = 169,097,375.37/19,061.49
6. Step 6: Final answer
   x = 8,871.15