Finding the Fourth Proportional to 3,500.32, 4,830.24 and 2,102.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500.32 : 4,830.24 = 2,102.80 : x
2. Step 2: Convert to fraction form
   3,500.32/4,830.24 = 2,102.80/x
3. Step 3: Cross multiply
   3,500.32x = 4,830.24 × 2,102.80
4. Step 4: Simplify right side
   3,500.32x = 10,157,028.67
5. Step 5: Solve for x
   x = 10,157,028.67/3,500.32
6. Step 6: Final answer
   x = 2,901.74