Finding the Fourth Proportional to 10,820.52, 16,230.82 and 3,425.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,820.52 : 16,230.82 = 3,425.01 : x
2. Step 2: Convert to fraction form
   10,820.52/16,230.82 = 3,425.01/x
3. Step 3: Cross multiply
   10,820.52x = 16,230.82 × 3,425.01
4. Step 4: Simplify right side
   10,820.52x = 55,590,720.81
5. Step 5: Solve for x
   x = 55,590,720.81/10,820.52
6. Step 6: Final answer
   x = 5,137.53