Finding the Fourth Proportional to 11,225.20, 16,839.42 and 3,434.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,225.20 : 16,839.42 = 3,434.62 : x
2. Step 2: Convert to fraction form
   11,225.20/16,839.42 = 3,434.62/x
3. Step 3: Cross multiply
   11,225.20x = 16,839.42 × 3,434.62
4. Step 4: Simplify right side
   11,225.20x = 57,837,008.72
5. Step 5: Solve for x
   x = 57,837,008.72/11,225.20
6. Step 6: Final answer
   x = 5,152.43