Finding the Fourth Proportional to 10,156.76, 15,234.78 and 3,582.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.76 : 15,234.78 = 3,582.80 : x
2. Step 2: Convert to fraction form
   10,156.76/15,234.78 = 3,582.80/x
3. Step 3: Cross multiply
   10,156.76x = 15,234.78 × 3,582.80
4. Step 4: Simplify right side
   10,156.76x = 54,583,164.18
5. Step 5: Solve for x
   x = 54,583,164.18/10,156.76
6. Step 6: Final answer
   x = 5,374.07