Finding the Fourth Proportional to 19,009.42, 28,518.20 and 5,683.46

Step by Step Solution

1. Step 1: Write the proportion equation
   19,009.42 : 28,518.20 = 5,683.46 : x
2. Step 2: Convert to fraction form
   19,009.42/28,518.20 = 5,683.46/x
3. Step 3: Cross multiply
   19,009.42x = 28,518.20 × 5,683.46
4. Step 4: Simplify right side
   19,009.42x = 162,081,920.59
5. Step 5: Solve for x
   x = 162,081,920.59/19,009.42
6. Step 6: Final answer
   x = 8,526.40