Finding the Fourth Proportional to 10,189.59, 15,281.61 and 2,792.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,189.59 : 15,281.61 = 2,792.26 : x
2. Step 2: Convert to fraction form
   10,189.59/15,281.61 = 2,792.26/x
3. Step 3: Cross multiply
   10,189.59x = 15,281.61 × 2,792.26
4. Step 4: Simplify right side
   10,189.59x = 42,670,228.34
5. Step 5: Solve for x
   x = 42,670,228.34/10,189.59
6. Step 6: Final answer
   x = 4,187.63